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Question

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

A
A neutral atom
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B
An isotope
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C
A cation
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D
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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