Question # 1

Elements of group 17 are called.

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Carbon family

Noble gases

Nitrogen family

Halogen family

4th Period is periodic table is called.

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Short period

Normal period

Long period

Very long period

hardest matter on the Earth is.

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Lead

Diamond

Brick

Urea

Number of elements in short period is.

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2

8

16

32

Bromine is

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Solid

Gas

Liquid

All of these

An element of group 17 of the Periodic Table.

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Cl

Ar

S

Si

Na is symbol of.

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Neon

Nitrogen

Sodium

None of these

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

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Ductile

Solid

Hard

Brilliant

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

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Gas

Solid

Liquid

None of these

How many periods are there in the Periodic Table.

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Five

Six

Seven

Eight

6th period in periodic table contains elements.

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2

8

16

32

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

A metal

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C

Ne

Cu

C

Hydrogen and nitogen are used for teh manufacturing of.

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Benaspati ghee

Oxygen cylinder

Hydrogen flame

Urea

Mass number of oxygen is

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6

16

26

36

The basic particle of an element is called.

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Compound

Mixture

Atom

None of these

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