Question

Q2 Fill in the blanks
a) _________ is a non- metal which is a good conductor of heat.
b) _________ is a non- metal which is a good conductor of electricity.
c) _________ is a non-metal having lustrous appearance.
d) _________ is a characteristics property of solid non-metal.

Q3 How life would not have been possible without the presence of non- metals on the earth?

Q4 What are metalloids? Write any 2 example.

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Answer 1

Graphite

Graphite

Iodine /Gold/Silver

Brittle

Our lyf is impossible without non metals bcoz in every part of lyf we need non metal as u can take ex of Carbon etc..

Boron, silicon are the ex of metalloids..

An element whose properties intermediate between those solids metal and non metal and semiconductors also..

Hope it will help u

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Answer 2

Answer:

the above answers is correct