Question

distinguish between physical properties of metals and with respect to the following.
a) physical state
b) Luster
c) ductility and malleability
d) conductivity of heat and electricity
e) hardness​

Answer 1

Answer:

hardness

they are opaque as a thin sheet

Answer 2

Answer:

physical state : metals are generally solids at room temperature except hg. and ga which are liquid at room temperature.

lustre : metals such as gold ,silver and copper all have lustre that is they have an ability to shine and reflect. therefore they are lustrous.

ductility : metals like copper,silver and aluminium can be easily drawn into wires.

malleability : almost all metals are malleable. gold, silver and aluminum are considered to be the most

conductivity : metals are good conductors of heat as they are used in making metallic pans.

metals like copper are good conductors of electricity as they are used for making electric wires.

hardness : most metals like aluminium iron copper and lead are strong and hard solids.but sodium and potassium are soft solids and can be cut with a knife.

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