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04-06-2015
Chemistry

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What is the total charge of the nucleus of a carbon atom?
(1) –6 (3) +6
(2) 0 (4) +12

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04-06-2015

Carbon atomic number ⇒ 6
Carbon mass number ⇒ 12.

Carbon atomic number - Carbon mass number = number of neutrons.
12 - 6 = 6 neutrons.

Proton charge ⇒ +1

The total charge of the nucleus of a carbon atom ⇒⇒⇒ +6.

So the naswer is (3) +6

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