Question # 1

The charge present on atom is

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Positive

Negative

Both a and b

Neutral

There are ............ groups in periodic table.

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2

8

18

32

--------------- are fundamental particles of an atom.

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Electron

Proton

Neutron

All of these

The maximum numebr of electrons that N-Shell accomodate are.

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2

8

18

32

Atomic number of element presetnin period 2 and group 15 of the periodic table.

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4

5

6

7

The negetively charged particle arod nucleus are called.

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Electron

Proton

Atom

Neutron

The particle of an atom having negative charge on it.

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Electron

Proton

Neutron

Nucleus

Element present in grops have same number of ....... in their outermost shell.

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Electron

Proton

Atoms

Neutron

The central part of an atom is called.

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Electron

Proton

Neutron

Nucleus

Positively charged particle of an atom is called.

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Electron

Proton

Atom

Neutron

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