Word Equations mini test!
Complete the following word equations by adding in the missing reactants or products:
a. sodium + chlorine →
b. beryllium + chlorine →
c. lithium + bromine →
d. nitrogen + oxygen →
e. potassium + sulfur →
f.
+ iodine → aluminium iodide
g. calcium +
→ calcium fluoride
h. sodium +
→ sodium bromide
i.
j.
+ chloride → calcium chloride
→ lead oxide
CHALLENGE:
Using the Periodic Table, together with the choice of chemical formulae below, convert
the following word equations into formula equations.
F
Li2O
MgCl2
Fe
CO2
CaO
SiO2
O2
Cl2
Mg
a magnesium + chlorine → magnesium chloride
b calcium + oxygen → calcium oxide
c silicon + oxygen → silicon dioxide
d sodium + fluorine → sodium fluoride
e lithium + oxygen → lithium oxide
f magnesium + nitrogen → magnesium nitride
g carbon + oxygen → carbon dioxide
h iron + oxygen → iron oxide
FeO
NaF
Na
Mg3N2
N2
C
Si
Ca
Li
Answers
1 a sodium + chlorine → sodium chloride
b beryllium + chlorine → beryllium chloride
c lithium + bromine → lithium bromide
d nitrogen + oxygen → nitrogen oxide
e potassium + sulfur → potassium sulfide
f aluminium + iodine → aluminium iodide
g calcium + flourine → calcium fluoride
h sodium + bromine → sodium bromide
i calcium + chloride → calcium chloride
j lead + oxygen → lead oxide
Challenge:
1 a Mg + Cl2 → MgCl2
b 2Ca + O2 → 2CaO
c Si + O2 → SiO2
d 2Na + F2 → 2NaF
e 4Li + O2 → 2Li2O
f 3Mg + N2 → Mg3N2
g C + O2 → CO2
h Fe + O2 → FeO