Question

There are 10 neutrons in the nucleus of the element it belongs to

Answer 1

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Neon has 10 neutrons in nucleus .

It belongs to nobel gas family .

It has 10 protins and 10 electrons

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Answer 2

Answer:

Mass number = 19

No of neutrons = 10

No. of proton =  Atomic number

Mass number = No of proton + No of neutron

∴ No of proton =19−10=9

The element with atomic number 9 is fluorine.

The last electron goes to 2p orbital.

Hence, it is a p-block element.

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