Element ' $X$ ' contains $9$ protons, $10$ electrons and $11$ neutrons. What is ' $X$ '?

A neutral atom

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An isotope

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A cation

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An anion

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Solution

The correct option is D An anion
The element $X$ has $1$ extra electron as compared to the number of protons. Thus it has a unit negative charge. The elements with a negative charge are called anions.

Thus the correct option is D.

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Element 'X' contains 9 protons, 10 electrons and 11 neutrons. What is 'X'?

The correct option is D An anionThe element X has 1 extra electron as compared to the number of protons. Thus it has a unit negative charge. The elements with a negative charge are called anions. Thus the correct option is D.

Element ' $X$ ' contains $9$ protons, $10$ electrons and $11$ neutrons. What is ' $X$ '?

The correct option is D An anion
The element $X$ has $1$ extra electron as compared to the number of protons. Thus it has a unit negative charge. The elements with a negative charge are called anions.

Thus the correct option is D.