Question # 1

An element of the third period is the periodic table.

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Li

He

P

H

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

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Low

High

Very low

Normal

Mg belong to the period of the Periodic Table.

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1st

2nd

3rd

4th

A non - metal

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Na

Li

H

Be

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

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

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Gas

Solid

Liquid

None of these

Bromine is

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Solid

Gas

Liquid

All of these

Ne belongs to

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Nitrogen family

Fluorine family

Noble gases

Alkaline earth metals

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

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4

5

6

7

Some metals can be pulled into wire This is because metals are.

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Ductile

Solid

Hard

Brilliant

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

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Solid

Gas

Normal

Molten

An atom containing two electrons.

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Be

Li

H

He

An element of group 17 of the Periodic Table.

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Cl

Ar

S

Si

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

A metal

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C

Ne

Cu

C

The basic particle of an element is called.

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Compound

Mixture

Atom

None of these

Mass number is number of.

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Protons

Neutrons

Both a and b

Electrons

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