writing formulas for binary ionic compounds. the first thing we need is a couple of definitions:
TRANSCRIPT
![Page 1: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/1.jpg)
Writing Formulas for Binary Ionic
Compounds
![Page 2: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/2.jpg)
The first thing we need is a couple of definitions:
![Page 3: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/3.jpg)
The first thing we need is a couple of definitions:1. When a metal combines with a non-
metal, an ionic compound is formed.
![Page 4: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/4.jpg)
The first thing we need is a couple of definitions:1. When a metal combines with a non-
metal, an ionic compound is formed.2. A binary compound consists of only
two elements.
![Page 5: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/5.jpg)
In Science 10, you’ll be given this Periodic Table:
![Page 6: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/6.jpg)
In Science 10, you’ll be given this Periodic Table:
![Page 7: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/7.jpg)
In Science 10, you’ll be given this Periodic Table:
See the staircase!
![Page 8: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/8.jpg)
In Science 10, you’ll be given this Periodic Table:
METALS
![Page 9: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/9.jpg)
In Science 10, you’ll be given this Periodic Table:
METALS NON-METALS
![Page 10: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/10.jpg)
A binary ionic compound forms when:
![Page 11: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/11.jpg)
A binary ionic compound forms when: a positively charged metal ion combines with
![Page 12: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/12.jpg)
A binary ionic compound forms when: a positively charged metal ion combines with a negatively charged non-metal ion.
![Page 13: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/13.jpg)
What the formula for an ionic
compound means.
![Page 14: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/14.jpg)
The formula for the ionic compound sodium chloride is NaCl.
![Page 15: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/15.jpg)
The formula for the ionic compound sodium chloride is NaCl.This does NOT mean that sodium chloride consists of individual NaCl “molecules” like this:
![Page 16: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/16.jpg)
The formula for the ionic compound sodium chloride is NaCl.This does NOT mean that sodium chloride consists of individual NaCl “molecules” like this:
Na Cl
![Page 17: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/17.jpg)
The formula for the ionic compound sodium chloride is NaCl.This does NOT mean that sodium chloride consists of individual NaCl “molecules” like this:
Na Cl
![Page 18: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/18.jpg)
Na+ ion
Cl– ion
![Page 19: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/19.jpg)
Na+ ion
Cl– ion
Crystal lattice of NaCl
![Page 20: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/20.jpg)
For every Na+ ion, there is one Cl–
ion
Na+ ion
Cl– ion
![Page 21: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/21.jpg)
Na+ ion
Cl– ion
The formula for an ionic compound gives the smallest whole number ratio of ions.
![Page 22: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/22.jpg)
For every Na+ ion, there is one Cl–
ion
Na+ ion
Cl– ion
The formula for sodium chloride is
Na1Cl1= NaCl
![Page 23: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/23.jpg)
For every Na+ ion, there is one Cl–
ion
Na+ ion
Cl– ion
The formula for sodium chloride is
Na1Cl1= NaCl
![Page 24: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/24.jpg)
The formula for calcium fluoride is CaF2
This means that calcium fluoride consists of a huge pile of Ca2+ and F–
ions.
CaF2
![Page 25: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/25.jpg)
The formula for calcium fluoride is CaF2
This means that calcium fluoride consists of a huge pile of Ca2+ and F–
ions.
CaF2
![Page 26: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/26.jpg)
The formula for calcium fluoride is CaF2
This means that calcium fluoride consists of a huge pile of Ca2+ and F–
ions.
CaF2For every Ca2+ ion, there are 2 F– ions
![Page 27: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/27.jpg)
Finding the formula for an
ionic compound
![Page 28: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/28.jpg)
There are two methods that we will show you for finding formulas.
![Page 29: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/29.jpg)
There are two methods that we will show you for finding formulas. Then you can decide which method works best for you.
![Page 30: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/30.jpg)
There are two methods that we will show you for finding formulas. Then you can decide which method works best for you. The two methods are:
![Page 31: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/31.jpg)
There are two methods that we will show you for finding formulas. Then you can decide which method works best for you. The two methods are:1. Equalizing + and – charges
![Page 32: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/32.jpg)
There are two methods that we will show you for finding formulas. Then you can decide which method works best for you. The two methods are:1. Equalizing + and – charges2. Crossing down charges
![Page 33: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/33.jpg)
Finding a formula by equalizing + and – charges
![Page 34: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/34.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
![Page 35: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/35.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges
Formula
![Page 36: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/36.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges
Formula
![Page 37: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/37.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
![Page 38: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/38.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges
Formula
![Page 39: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/39.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges +3 –1
Formula
![Page 40: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/40.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges +3
Formula
![Page 41: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/41.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges +3 –3
Formula
![Page 42: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/42.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges +3 –3
Formula
Add up to 0
![Page 43: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/43.jpg)
Finding a formula by equalizing + and – charges
What is the formula for aluminum bromide?
Ion Name aluminum bromide
Ions Al3+ Br1–
Br1–
Br1–
Total Charges +3 –3
Formula AlBr3
![Page 44: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/44.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +2 –3
Formula Ca3P2
![Page 45: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/45.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +2 –3
Formula Ca3P2
![Page 46: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/46.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
![Page 47: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/47.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +2 –3
Formula Ca3P2
![Page 48: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/48.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +2 –3
Formula Ca3P2
![Page 49: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/49.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +6 –6
Formula Ca3P2
![Page 50: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/50.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +6 –6
Formula Ca3P2
![Page 51: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/51.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +6 –6
Formula Ca3P2
![Page 52: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/52.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +6 –6
Formula Ca3P2
Add up to 0
![Page 53: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/53.jpg)
Finding a formula by equalizing + and – charges
What is the formula for calcium phosphide?
Ion Name calcium phosphide
Ions Ca2+
Ca2+
Ca2+
P3–
P3–
Total Charges +6 –6
Formula Ca3P2
![Page 54: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/54.jpg)
Finding a formula by crossing down charges
![Page 55: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/55.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
![Page 56: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/56.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
![Page 57: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/57.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S
![Page 58: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/58.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S
![Page 59: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/59.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S
![Page 60: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/60.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S
![Page 61: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/61.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S
![Page 62: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/62.jpg)
Finding a formula by crossing down charges
What is the formula for rubidium sulphide?
Rb1+ S2–
Rb2S Formula
![Page 63: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/63.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
![Page 64: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/64.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
![Page 65: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/65.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
Mulitvalent
metal
![Page 66: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/66.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
Mulitvalent
metal
![Page 67: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/67.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide? Tells us what the
ion charge is
![Page 68: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/68.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
![Page 69: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/69.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 70: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/70.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 71: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/71.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 72: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/72.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 73: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/73.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 74: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/74.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
![Page 75: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/75.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4Both of these numbers are multiples of 2
![Page 76: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/76.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4Divide both
of these numbers by 2
![Page 77: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/77.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
VO2
÷2
![Page 78: Writing Formulas for Binary Ionic Compounds. The first thing we need is a couple of definitions:](https://reader036.vdocument.in/reader036/viewer/2022070413/5697bfa01a28abf838c95191/html5/thumbnails/78.jpg)
Finding a formula by crossing down charges
What is the formula for vanadium(IV) oxide?
V4+ O2–
V2O4
VO2Formula