+ minerals september 6 - september 13 chapter 2 quiz on monday
TRANSCRIPT
+ Minerals
September 6 -September 13
Chapter 2
Quiz on Monday
+Announcements
Your Element Chart is due today
Your article reports are due tomorrow
Your vocabulary is due Friday
You will have a quiz Monday
+2. Isotopes and BondingComplete the following chart and then answer the
questions below:
Symbol Atomic Mass
# Neutrons
# Protons
Element Name
C-12 12 Carbon
C-14 14 Carbon
7 Nitrogen
8 Nitrogen
O-17
16 8
1. Is it possible for two different elements to have the same mass?
2. Is it possible for the same element to have two different masses?
+2. Isotopes and Bonding
__________of elements will have different ________ massesWhich means they have the same
number of ________ Different numbers of ________
Many isotopes are ________ and give off energy and particles
+2. Isotopes and Bonding
Density is a distinguishing characteristic of different types of matter (helps us tell them apart)
Density = ________ ÷ ________ for any compound or mineral
D = m ÷ v
+2. Isotopes and Bonding
Use the periodic table to solve for these problems:
1. What is the density of the element Sulfur if there are 2 mL of it?
+2. Isotopes and Bonding
Use the periodic table to solve for these problems:
2. What is the density of Vanadium if there are 5 mL of it?
+2. Isotopes and Bonding
Use the periodic table to solve for these problems:
3. What is the volume of Neon if the density is 10 g/mL?
+2. Isotopes and Bonding
Why do atoms bond? ________
________ consist of two or more elements that are chemically combined (________ ) in ________ proportions ________ are the simplest structural units of
compounds
+2. Isotopes and Bonding
________________ are the electrons that are in the highest ________________of the electron cloud
The energy levels are “full” when they have the following numbers of valence electrons Energy level 1 = 2 (applies to ________ and ________
only) Energy level 2 and up = 8 (pretty much
________________)
If the energy level is not “full” an atom will want to ________electrons to make it happen.
+2. Isotopes and Bonding
As a result of gaining, sharing, or losing electrons- atoms will ________ together which makes them more ________
Whether something gains, loses, or shares will depend on the ________ It just so happens that you can also figure
out how an atom will bond based on whether it’s a ________
+2. Isotopes and Bonding Metals
Elements that are on the ________ hand side of the periodic table are ________
________ of the periodic table is metals These are colored ________ on the table in the back of
your book Tend to ________ electrons
Nonmetals Elements that are on the ________ hand side of the
periodic table are ________ ________ of elements are nonmetals, but they are very
common elements These are colored ________ on the table in the back of
your book Tend to ________ electrons
+2. Isotopes and Bonding
1. Na
2. Sr
3. O
4. Cl
5. Hf
6. As
7. P
8. Xe
9. Fe
10. He
11. Li
12. Ni
Identify the following as metals or non-metals
+2. Isotopes and Bonding
Ionic Bonds Electrons have a ________ charge Protons have a ________ charge When electrons are lost or gained, an
________ is formed Ions are ________
When a ________ and a ________ combine, an ________ is formed
Form between ________
+2. Isotopes and Bonding
Metallic BondsMetals lose electrons ________ They tend to share electrons
________________ - like a ________ of electrons being passed around
When ________ bond together it is a ________ bond
+2. Isotopes and Bonds
Covalent BondsNon-metals like to ________ electrons
2 or more non-metals will ________ electrons because they both want the electron
______ bonds form between _______
+2. Isotopes and Bonding
1. NaCl
2. KCl
3. H2O
4. AlZn
5. HCl
6. CO2
7. MgO
8. Cu (many atoms of this)
Figure out the bond type by1st: determining whether each element is a metal or non-metal2nd: use that information to tell you the bond type