Question # 1

Which of teh following is cation.

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H2

H2O

CO2

NH+4

Which of the following is an anion.

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F

Cl

S-2

NH3

Chemical bond is O2 is.

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Ionic

Covalent

Metalic

None of these

How many atoms orm one molecuel of chlorine.

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1

2

3

4

Outermost shell of chlorine stom has................. electrons.

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1

2

6

7

Valency of nitrogen is

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1

2

3

4

Outermost shell of sodium atom has ...... electrons.

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1

2

3

4

Chemical formula of Sulphuric Acid.

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HCl

H2SO4

HNO3

CH3COOH

Types of coalent bond are

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1

2

3

4

When water molecule gain a proton it form

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H+

OH-

H3O

H2O

While writing a chemical formula positive ionis written on.

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Right

Left

Center

All of these

Positively charged atom or grouping of atoms is called.

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Anion

Cation

Neutron

Proton

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