Sagot :
Answer:
Your choice, its up to you.
Explanation:
Examples:
#Water- H20-Hydrogen (gas) oxygen (gas)
#Carbon dioxide- CO2-Carbon (solid) oxygen (gas
#Carbon dioxide -CO2 -Carbon (solid) oxygen (gas)
#Magnesium oxide -MgO- Magnesium (solid) oxygen (gas)
#Iron sulphide -FeS -Iron (solid) Sulphur (solid)