Question # 1

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

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2

8

18

32

Letter K is used to express theshell around the nucleus of an atom.

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1st

2nd

3rd

4th

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

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Electron

Proton

Atoms

Neutron

The charge present on atom is

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Positive

Negative

Both a and b

Neutral

The total numebr of electrons which M shell can accommodate

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2

8

18

32

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

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Electron

Proton

Neutron

All of these

Positively charged particle of an atom is called.

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Electron

Proton

Atom

Neutron

The particles of an element having different mass numbers.

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Proton

Neutrons

Isotopes

Atoms

An element with fifteen protons in its atomic nucleus has atomic numebr.

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5

10

15

20

The negetively charged particle arod nucleus are called.

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Electron

Proton

Atom

Neutron

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Science 7th Class English Medium Chapter 4 Online Test MCQs With Answers

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