Question # 1

Number of electron in the valence shell of elements of grop 16 is.

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3

6

8

16

How many periods are there in the Periodic Table.

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Five

Six

Seven

Eight

A non - metal

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Na

Li

H

Be

Mass number of oxygen is

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6

16

26

36

Elements of group 17 are called.

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Carbon family

Noble gases

Nitrogen family

Halogen family

An element of group 17 of the Periodic Table.

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Cl

Ar

S

Si

4th Period is periodic table is called.

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Short period

Normal period

Long period

Very long period

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Science 8th Class Urdu Medium Chapter 5 Online Test MCQs With Answers

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