UPSC NDA I 2012 General Ability Paper

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Question : 79 of 150

Marks: +1, -0

The nucleus of a singly ionized carbon atom contains

6 protons and 6 neutrons
5 protons and 6 nutrons
6 protons, 6 neutrons and 6 electrons
12 protons, 6 neutrons and 6 electrons

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