Question

2 examples of :
Monovalent non-metal
Diavalent non-metal
Trivalent non-metal

Answer 1

Answer:

Monovalent non metal - Chlorine

Divalent - O

Trivalent - Phosphorus

Answer 2

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✷ Definition Of Metal

Metals are materials holding or possessing the characteristics of being shiny, hard, fusible, malleable, ductile, etc. Few examples of metal

✷ Properties of Metals

Shiny (lustrous) in nature

Metal is a good conductor of electricity and heat

Density and melting point is high

Mouldable (Malleable)

Ductile

At room temperature, it is in solid form except for mercury

Opaque

✷ Definition Of Non Metals

Non – metals are materials not holding the characteristics of metals, means they are not shiny, hard, fusible, malleable, ductile, etc. Few examples of non – metals are carbon, oxygen, Sulphur, etc.

✷ Properties of Non-Metals

Poor conductors of electricity and heat

Non-Ductile metals

Brittle solids

Maybe solids, liquids or gases at room temperature

These are not sonorous

Transparent