2.1.2 compounds formulae & equations

Question 1

what is the formula of a nitrate ion

Answer 1

NO₃-

Question 2

what is the formula of a carbonate ion

Answer 2

CO₃ (2-)

Question 3

what is the formula of a sulfate ion

Answer 3

SO₄ (2-)

Question 4

what is tithe formula of a hydroxide ion

Answer 4

OH-

Question 5

what is the formula of an ammonium ion

Answer 5

NH₄+

Question 6

what is the formula of a zinc ion

Answer 6

Zn (2+)

Question 7

what is the formula of a silver ion

Answer 7

Ag+

Question 8

what is a molecule

Answer 8

2 or more different types of atoms that are covalently bonded together