Question # 1

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

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Gas

Solid

Liquid

None of these

Mg belong to the period of the Periodic Table.

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1st

2nd

3rd

4th

An element of group 17 of the Periodic Table.

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Cl

Ar

S

Si

Ne belongs to

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Nitrogen family

Fluorine family

Noble gases

Alkaline earth metals

6th period in periodic table contains elements.

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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

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

A non - metal

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Na

Li

H

Be

The basic particle of an element is called.

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Compound

Mixture

Atom

None of these

An element of the third period is the periodic table.

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Li

He

P

H

Number of elements in short period is.

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2

8

16

32

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

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3

6

8

16

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

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Low

High

Very low

Normal

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

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Solid

Gas

Normal

Molten

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

An alkali metal

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F

Be

Al

Na

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