agenda homework check transitional metals review binary ionic homework
DESCRIPTION
1.Aluminum ion 2.Chloride 3.Lithium ion 4.Silicon ion 5.Boron ion 6.Sulfide 7.Fluoride 8.Nitride 9.Sodium ion 10.Carbide 11.Hydride 12.Calcium ion 13.Phosphide 14.Bromide 15.Magnesium ion 16.Potassium ion 17.Beryllium ion 18.Hydrogen ion 19.Oxide 20.Carbon ionTRANSCRIPT
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Agenda
• Homework check• Transitional metals• Review• Binary Ionic• Homework
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Homework1. Aluminum ion2. Chloride3. Lithium ion4. Silicon ion5. Boron ion6. Sulfide7. Fluoride8. Nitride9. Sodium ion10. Carbide
11. Hydride12. Calcium ion13. Phosphide14. Bromide15. Magnesium ion16. Potassium ion17. Beryllium ion18. Hydrogen ion19. Oxide20. Carbon ion
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1. N-3
2. O-2
3. Be+2
4. H-
5. C+4
6. K+
7. F-
8. C-4
9. Na+
10.H+
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Transition Metal Cations
• Transition metals have variable charges; they can lose different numbers of electrons.
• All transition metals, tin and lead– Except not Ag+, Cd+2, Zn+2
• Rule for naming:– Name the metal– Tell the charge using Roman Numerals– Add the word “ion”
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Roman Numerals
• 1, I• 2, II• 3, III• 4, IV• 5, V
• 6, VI• 7, VII• 8, VIII• 9, IX• 10, X
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1st row of transition metals• Scandium, Sc• Titanium, Ti• Vanadium, V• Chromium, Cr• Manganese, Mn
• Iron, Fe• Cobalt, Co• Nickel, Ni• Copper, Cu• Zinc, Zn
• Scandium (III) ion, Sc+3
• Titanium (III or IV), Ti+3/+4
• Vanadium (II, III, IV, V), V+2/+3/+4/+5
• Chromium (II, III, VI), Cr+2/+3/+6
• Manganese (II, III, IV, VI, VII), Mn+2/+3/+4/+6/+7
• Iron (II or III), Fe+2/+3
• Cobalt (II or III), Co+2/+3
• Nickel (II or III), Ni+2/+3
• Copper (I or II), Cu+/+2
• Zinc ion, Zn+2
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Other charges to know
• Tin, Sn–+2 or +4
• Lead, Pb–+2 or +4
• Mercury, Hg–+1 or +2
• Gold, Au–+1 or +3
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Around The World Practice
If anyone disrupts the game – it will become a quiz!
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HYDROGEN ION
H+
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HYDRIDE
H-
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LITHIUM ION
Li+
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ARSENIDE
As-3
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TITANIUM (III) ION
Ti+3
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BROMIDE
Br-
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SODIUM ION
Na+
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SCANDIUM (III) ION
Sc+3
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CHLORIDE
Cl-
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IRON (II) ION
Fe+2
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COPPER (I) ION
Cu+
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ZINC ION
Zn+2
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OXIDE
O-2
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CADMIUM ION
Cd+2
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BARIUM ION
Ba+2
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CARBON ION
C+4
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CARBIDE ION
C-4
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COBALT (II) ION
Co+2
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NICKEL (II) ION
Ni+2
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GOLD (I) ION
Au+
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PHOSPHIDE
P-3
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BERYLLIUM ION
Be+2
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SILVER ION
Ag+
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MERCURY (II) ION
Hg+2
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Binary IonicDate:
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Binary IonicWhat is that?
• Binary = 2• Ionic = ions!
– One Cation (metal in blue) and one Anion (nonmetal in red)
– No metalloids (purple)
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Creating Compounds
• Need to balance the number of electrons transferred between the cation and anion.
• There are three methods for creating compounds. I will make you an expert at each!
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Method 1Balance e- transferred
• Draw each atom with valence electrons around it as dots.
• Draw a line to show the electron moving from the metal to the nonmetal.
• Continue transferring electrons until each atom has it’s noble gas configuration.– It may be necessary to add more atoms.
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• Na Cl
• Ba F
• Li S
• Al O
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Method 2Lowest Common Multiple
• Look at the oxidation numbers (charges) for the cation and anion.
• Determine the lowest common multiple of the charges.
• Determine how many cations and anions are necessary so that the charges add up to zero.
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• K Br
• Mg I
• H O
• Ga S
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Method 3Crossover
• Take the charge of the cation, drop the + and write it as the subscript of the anion.
• Take the charge of the anion, drop the – and write it as the subscript of the cation.
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• K S
• Sr P
• Al F
• Ca O
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Naming Binary Ionic
• Name the metal– If transition metal, Sn or Pb, tell the charge in ( ).– If Zn, Cd or Ag, just name.
• Name the nonmetal with “-ide”