FC2: Compounds, Reactions and Equations

Question 1

What is the formula and charge of a carbonate?

Answer 1

CO3

2-

Question 2

What is the formula and charge of a sulfate?

Answer 2

SO4

2-

Question 3

What is the formula and charge of a hydroxide?

Answer 3

OH

-

Question 4

What is the formula and charge of ammonium?

Answer 4

NH4

+

Question 5

What is the formula and charge of zinc?

Answer 5

Zn

2+

Question 6

What is the formula and charge of silver?

Answer 6

Ag

+

Question 7

How can you tell whether bonding is ionic, covalent or metallic?

Answer 7

When all elements are non-metals, the bonding is usually covalent.
In metal or metal alloy, metallic.
If one element is a metal and the others are non, ionic.

Question 8

What is the formula of ammonia?

Answer 8

NH3

Question 9

What is the formula of sulphuric acid?

Answer 9

H2SO4

Question 10

What is the formula of nitric acid?

Answer 10

HNO3

Question 11

What is the formila of methane?

Answer 11

CH4

Question 12

Which 4 common gases do you need to know come in pairs?

Answer 12

Hydrogen
Oxygen
Nitrogen
Chlorine

Question 13

What is the formula and charge for a phosphate?

Answer 13

PO4

3-

Question 14

What is the formula and charge of a nitrate?

Answer 14

NO3

-