ionic equations and half equations

Question 1

whats a ionic equation

Answer 1

An ionic equation shows how ions react together leaving out any ions which do not take part in
the reaction

Question 2

whats the ionic equation for a acid reacting with a alkali (neutralisation)

Answer 2

H+ + OH- → H₂O.

Question 3

whats the ionic equation for this displacement reaction
magnesium + copper(II) sulfate → magnesium sulfate + copper

Answer 3

Mg + Cu2+ → Mg2+ + Cu

Question 4

whats the half equation for sodium

Answer 4

Na → Na+ + e-

Question 5

what is the half ionic equation for chlorine

Answer 5

Cl + e- → Cl-
Cl₂ + 2e- → 2Cl