Question # 1

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

An element of the third period is the periodic table.

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Li

He

P

H

Mass number of oxygen is

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6

16

26

36

How many periods are there in the Periodic Table.

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Five

Six

Seven

Eight

A metal

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C

Ne

Cu

C

4th Period is periodic table is called.

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Short period

Normal period

Long period

Very long period

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

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Gas

Solid

Liquid

None of these

An element of group 17 of the Periodic Table.

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Cl

Ar

S

Si

Mg belong to the period of the Periodic Table.

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1st

2nd

3rd

4th

Number of elements in short period is.

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2

8

16

32

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

6th period in periodic table contains elements.

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2

8

16

32

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

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Low

High

Very low

Normal

An atom containing two electrons.

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Be

Li

H

He

Hydrogen and nitogen are used for teh manufacturing of.

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Benaspati ghee

Oxygen cylinder

Hydrogen flame

Urea

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