Form 4 – Week 2 homework

Day 1  Day 2  Day 3  Day 4  Day 5  Day 6

Day 1

Give the formula for the following compounds:

  • Potassium sulfate

  • Lithium carbonate

  • Iron (III) hydroxide

  • Ammonium​​ nitrate

  • Zinc phosphate

Day 2

Balance the following equations:

  • C2H6​​ + O2​​ → CO2​​ + H2O

  • KClO3​​ → KCl + O2

  • Fe + O2​​ → Fe2O3

  • NaOH + H2SO4​​ → Na2SO4​​ + H2O

  • Ca + H2O → Ca(OH)2​​ + H2

Day 3

Draw the bonding for the following compounds:

  • KF

  • CS

  • Na2O

Day 4

Draw the bonding for the following compounds

  • H2O

  • CH4

  • N2

  • HCl

Day 5

Continue the following equations:

  • Zn​​ + HCl →

  • CaO​​ + H2SO4​​ 

  • Al2O3​​ + HNO3​​ 

  • K2SO3​​ + H2SO4​​ 

Day 6

What are the protons, neutrons and electrons in the following atoms/ions:

  • Na1123

  • Cl1735-

  • Ca20402+

  • O816

  • I53127-