CHM 50
Class Activity – Chapter 3 – part 1-Nomenclature
Name……………….
1. Write Formula Unit For the Below Ionic Compounds
Name
Cation (+)
Anion (-)
1
Sodium Chloride
Na1+
Cl1-
2
Aluminum hydroxide
3
Copper (II) Phosphide
7
Formula
NaCl
Lithium Sulfide
8
Calcium phosphate
9
Sodium acetate
12
Chromium (III)
permangate
13
Potassium Nitride
16
Platinum (II) Oxide
2. Write the NAME of each of the following compounds.
1. (NH4)Cl……………………………………
4. Ga(ClO3)3)__________________________
2. Be(SO4) ……………………………………
3.
5. Sr3(PO4)2 ....................................................
(NH4)3N ___________________________
3. Write the CHEMICAL FORMULA for each of the given NAMES
6. calcium carbonate
Ca2+ (CO3)2-
7. aluminum dichromate
__________________________= _____________________________
=
Ca2(CO3)2
= CaCO3
8. calcium hydrogen sulfate __________________________ = ___________________________
9. calcium sulfite
___________________________ = __________________________
10. sodium carbonate
____________________________ = ___________________________
11. magnesium dihydrogenphosphate______________________ = ____________________________
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4. Identify the following compounds as ionic or covalent then name them
Fe(C2H3O2)3
Hg2(HCO3)2
Mg(ClO)2
PbI2
NF3
NiSO4
Ca3(PO4)2
P4S5
(NH4)2S
SeF6
Si2Br6.
Sb2O5
5. Write a formula for following molecules
a. dihydrogen sulfide___________________
antimony tribromide ________________
b. hexaboron silicide ___________________
chlorine dioxide ___________________
c. hydrogen iodide _____________________
iodine pentafluoride ________________
6. Name the following acids
HCN ………………………………………………….
HClO …………………………………….
H2SO3 ……………………………………………..
HI ………………………………………..
HClO3 ……………………………………………..
H2S ……………………………………….
H2Se ………………………………………………
HNO2 ……………………………………
H3PO4 …………………………………………..
HCrO4……………………………………
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