S2

Question 1

when metal atoms lose electrons, they form

Answer 1

positive ions called cations

Question 2

when non-metal atoms gain electrons, they form

Answer 2

negative ions called anions

Question 3

the ionic bond is formed by

Answer 3

electrostatic attractions between oppositely charged ions

Question 4

binary ionic compounds are named

Answer 4

with the cation first followed by the anion. The anion adopts the suffix ‘ide

Question 5

ionic compounds exist as

Answer 5

three-dimensional lattice structures, represented by empirical formulas

Question 6

lattice enthalpy is a measure of

Answer 6

the strength of the ionic bond in different compounds, influenced by ion radius and
charge.