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Q.

If an atom contains 9 electrons, then it is a

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a

Non metal

b

Metal

c

Metalloid

d

All of the above

answer is B.

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Detailed Solution

There are 9 electrons present in the neutral atom. So, its atomic number, Z is 9. Therefore, the element with atomic number 9 must be Fluorine, F and it is a Non-metal.

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