Key words - ions

Question 1

Cation vs anion

Answer 1

Cation - positive
Anion - negative

Question 2

Ionic bond

Answer 2

strong electrostatic attraction between cation and anion

Question 3

Binary ionic compound

Answer 3

Ionic compound composed of two monoatomic ions e.g. NaCl

Question 4

Monoatomic ion

Answer 4

Ion which only has one atom of an element e.g. Cl⁻, O₂⁻

Question 5

Polyatomic ion

Answer 5

Ion which has more than one atom of an element (is a compound) e.g. NH₄⁺

Question 6

Ionic lattice

Answer 6

Regular 3D structure of repeating, alternating cations and anions

Question 7

Empirical formula

Answer 7

simplest whole number ratio of atoms in a compound

Question 8

Lattice enthalpy

Answer 8

The enthalpy change when decomposing one mole of an ionic compound from its gaseous constituent ions

Question 9

Volatility

Answer 9

Rate of evaporation

Question 10

Solubility

Answer 10

How readily a solute disolves in a solvent

Question 11

Ammonium

Answer 11

NH₄⁺

Question 12

Hydroxide

Answer 12

OH⁻

Question 13

Hydrogen carbonate

Answer 13

HCO₃⁻

Question 14

Sulphate

Answer 14

SO₄²⁻

Question 15

Nitrate

Answer 15

NO₃⁻

Question 16

Carbonate

Answer 16

CO₃²⁻

Question 17

Phosphate

Answer 17

PO₄³⁻

Question 18

Sulfite ion

Answer 18

SO₃²⁻

Question 19

Nitrite ion

Answer 19

NO₂⁻