Question

PREPARE INDEX CARD ON METALS AND NON-METALS

Answer 1

Metals
1. Iron : making alloy 
2. Silver : making ornaments 
3. Copper : Making electrical cables 
4. Uranium : In producing energy through nuclear reactions

Non-Metals
1. Chlorine : used as bleaching agent
2. oxygen : inhailig purpose / life saving gas
3. Carbon : as lubricant in form of graphite
4. Nitrogen : making fertilizers