A particle that contains 9 protons, 10 neutrons and 10 el...
A particle that contains 9 protons, 10 neutrons and 10 electrons is a
negative ion
positive ion
neutral atom of non-metal
neutral atom of a metal
Correct answer is A
No explanation has been provided for this answer.
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The electron configuration of carbon atom in its excited state is [ 6C] ...
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