Question # 1

Which of the following is an anion.

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F

Cl

S-2

NH3

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

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1

2

6

7

Positively charged atom or grouping of atoms is called.

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Anion

Cation

Neutron

Proton

Chemical bond between N2 Molecule is

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Ionic

Single covalent

Double covalent

Triple vocalent

Chemical bond is O2 is.

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Ionic

Covalent

Metalic

None of these

Chemical bond teh forms between metallic and non-metallic atoms.

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Covalent

Ionic

Metalic

None of these

Types of coalent bond are

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1

2

3

4

Negatively charged atom or grop of atoms is called.

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Proton

Electron

Anion

Cation

While writing a chemical formula positive ionis written on.

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Right

Left

Center

All of these

Oxygen is a

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Monoalent element

Divalent element

Trivalent element

Tertravalent element

An atm with stable elecrronic configuration can exist.

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Reacts readily

Can not exist

Independently

Combined form

Which of teh following is cation.

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H2

H2O

CO2

NH+4

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