Form 4 homework – Week 1

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

Day 1

Give the formula for the following compounds:

  • Magnesium chloride

  • Aluminium nitrate

  • Sodium oxide

  • Ammonium sulfide

  • Calcium nitride

Day 2

Balance the following equations:

  • CF4​​ + Br2​​ → CBr4​​ + F2

  • AlBr3​​ + K2SO4​​ → KBr + Al2(SO4)3

  • CH4​​ + O2​​ → CO2​​ + H2O

  • Na3PO4​​ + CaCl2​​ → NaCl + Ca3(PO4)2

  • N2​​ + H2​​ → NH3

Day 3

Draw the bonding for the following compounds:

  • NaCl

  • MgO

  • Al2O3

Day 4

Draw the bonding for the following compounds

  • O2

  • NH3

  • CO2

  • CCl4

Day 5

Continue the following equations:

  • CaCO3​​ + HCl →

  • Mg + H2SO4​​ 

  • NaOH + HNO3​​ 

  • K2SO3​​ + HCl →

Day 6

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

  • Ca20402+

  • Na1123+

  • Cl1737-

  • Al13273+

  • Sc21453+