CHEMISTRY 11
Unit 3 Assignment – Naming Compounds
Name:
/76
Date:
PART A
Complete the following chart: ( /60)
Name or write the formula & state whether the substance is molecular (M), Ionic (I), Acid (A),
Element (E).
Type
M, I, A or E
1.
Chemical Name
sodium chloride
CaCO3
2.
3.
4.
nickel (III) bisulfate
sodium hydroxide
CaO
5.
MgSO4•7H2O
6.
7.
8.
9.
10.
Chemical Formula
carbon dioxide
acetic acid
carbon
calcium sulfate
Na2SiO3
11.
Ca(HCO3)2
12.
13.
14.
magnesium hydroxide
potassium chloride
CHEMISTRY 11
Unit 3 Assignment – Naming Compounds
15.
sodium thiosulphate pentahydrate
16.
sodium hypochlorite
Na2CO3
17.
HCl (aq)
18.
19.
potassium nitrate
CuSO4•5H2O
20.
Mg
21.
22.
magnesium oxide
KI
23.
H2SO4 (aq)
24.
25.
26.
silicon monocarbide
iron
Ca(OH)2
27.
28.
potassium hydroxide
S
8
29.
30.
NH4Cl
CHEMISTRY 11
Unit 3 Assignment – Naming Compounds
PART B
Answer the following questions: ( /16)
1. List the diatomic elements & how can you recall them?(4)
2. What are the elements that can be multiatomic, show them in this form.(2)
3. What is the difference between an Atom, Molecule and an Ion?(3)
4. What artificially separates the metals & non-metals? (1)
5. What does the chemical formula of an acid usually start with? (1)
CHEMISTRY 11
Unit 3 Assignment – Naming Compounds
6. What does the chemical formula of a base usually end in? (1)
7. What two types of particles form an Ionic compound? (1)
8. What type of particles combine to form molecular/covalent compounds? (1)
9. Some compounds contain H2O in their structure what are these compounds called?
(1)
10. Name a polyatomic ion that has a positive charge. (1)