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YOUR GOOD OLD GROUP 6
Empirical/M
olar masses
Ions
Polyatomic
ions
100
100
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500
Oxidation
What is an oxyanion?
A general term for a polyatomic ion that contains oxygen
Row 1, Col 1
name the compound K2C2O4 ?
Potassium Oxalate
1,2
What is 62?
The molar mass of a nitrate ion
1,3
What is –1?
The oxidation of a hydride ion
1,4
What is +2?
It is the Charge of a Cobaltous ion
2,1
What is the formula a dichromate ion
Cr2O7
2,2
What is about 5%?
The percent composition of Hydrogen in an acetate ion
2,3
What is C, N, P, S, Cl, Br, I ?
two elements with three or more oxidation states
2,4
What is TWO?
The number of atoms in a molecule of a hypochlorite ion
3,1
What is the formula for carbide?
C2 2-
3,2
What is 18?
The molar mass of a molecule of water
3,3
What is +2?
Oxygen’s oxidatin number when in a binary halide
3,4
What is the numerical prefix indicating seven atoms of
an element in a molecule?
“HEPTA-”
4,1
What is the formula for bicarbonate?
HCO3-
4,2
What is Avogadro’s Number?

6.022 X 1023
4,3
What is 0?
The oxidation number of a pure element
4,4
What is +4
It is the charge of a stannic ion
5,1
What is Carbide, Imide, or Polysulfide?
a A non-oxyanion with a charge of 2-
5,2
What is N3H6?
The empirical formula is NH2 and the molecular formula’s molar mass is about 48 grams
5,3
What is -1?
Oxidation state of Fluorine
5,4