Compounds + formulae

Question 1

What is nitrate ion?

Answer 1

NO3 / 1-

Question 2

What is carbonate?

Answer 2

CO3 / 2-

Question 3

What is Sulphate?

Answer 3

SO4 / 2-

Question 4

What is Hydroxide?

Answer 4

OH / 1-

Question 5

What is Ammonium?

Answer 5

NH4 / 1+

Question 6

What is Silver?

Answer 6

Ag/ 1+

Question 7

What is molecular formula?

Answer 7

Shows the no + type of atoms of each element present in a molecule

Question 8

Empirical formula

Answer 8

The simplest whole number ratio of atoms of each element in a compound

Question 9

Water of crystallisation

Answer 9

H2O molecules that are bonded into a crystalline structure of a compound

Question 10

Assumptions in experimental formula for hydrated salt

Answer 10

1) all water has been lost

2) no further decomposition

Question 11

What is sulphite?

Answer 11

SO3²-