Compounds: Formulae and Naming

Identify formulae.

Iodine is in group VII like chlorine and fluorine, what is its valency?

Use the information in the table to work out the formula of compound formed between:

A and Q

Use the information in the table to work out the formula of compound formed between:

Lithium (Li) and T

Use the information in the table to work out the formula of compound formed between:

D and oxygen

Use the information in the table to work out the formula of compound formed between:

E and oxygen

Use the information in the table to work out the formula of compound formed between:

Q and R

What is the valency of the radical H₂PO₄^-

Identify the radical.

Identify the radicals

i. SO₃^2-

ii. SO₂

iii. S^2-

Given the formula of the phosphate radical is PO₄^3- what would be the formula of the phosphate of element A?

Given the formula of the hydrogencarbonate radical is HCO₃^- what would be the formula of the hydrogencarbonate of element A?

Given the valency of the hydrogencarbonate radical, HCO₃^- is 1, what would be the formula of D hydrogencarbonate?

Use the information below to work out formula of calcium nitrate.

Ca²⁺ has a valency = 2

NO₃^- has a valency = 1

Use the information below to work out formula of ammonium phosphide.

NH₄⁺ has a valency =1

P^3- has a valency = 3

What is the name of the binary ionic compound formed between sodium and nitrogen?

What is the name of the binary ionic compound formed between calcium and sulphur?

What is the name of the binary covalent compound with formula PCl₅?

What is the name of the binary covalent compound with formula SF₆?