Question # 1

Metals are found in.................. state at room temperatures.

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Gas

Solid

Liquid

None of these

Metals have .......... melting and boiling point.

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Low

High

Very low

Normal

How many periods are there in the Periodic Table.

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Five

Six

Seven

Eight

Mass number of oxygen is

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6

16

26

36

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

Atomic number of th eelement of fourth position in second period.

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4

5

6

7

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

Allowy is ......... forms of metals mixed together.

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Solid

Gas

Normal

Molten

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

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3

6

8

16

Number of elements in short period is.

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2

8

16

32

Elements of group 17 are called.

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Carbon family

Noble gases

Nitrogen family

Halogen family

An atom containing two electrons.

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Be

Li

H

He

Mass number is number of.

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Protons

Neutrons

Both a and b

Electrons

Bromine is

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Solid

Gas

Liquid

All of these

A metal

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C

Ne

Cu

C

Ne belongs to

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Nitrogen family

Fluorine family

Noble gases

Alkaline earth metals

4th Period is periodic table is called.

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Short period

Normal period

Long period

Very long period

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