#chemistry #karthikeyan #Comparingmetalsandnonmetals
Metals
Most are solid at room temperature.
They are shiny.
They do not shatter.
They conduct heat energy well.
They conduct electricity.
They are malleable.
They are ductile.
They make a ringing sound when hit .
Non-metals
Many are gases at room temperature.
They are dull.
They are brittle.
They do not conduct heat energy well .
Most do not conduct electricity
include video
List few metals and non metals.
What happens when metals are burnt in air?
Chemical properties of metals
Give an eg of metal:
a. liquid at room temparature
b. can be easy cut with a knife
c. best conductor of heat
d. poor conductor of heat
5. What is malleability and ductility?
6. Why sodium is kept immersed in kerosene oil?
7. Name two metals which are found in nature in free state
8. Which metal do not corrode easily?
9. State two ways to prevent rusting of iron
10. What is corrosion?