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Posted By: Apar       Member Level: Silver       Posted Date: 09 Dec 2007       Category: Aptitude Test

The isotopes of carbon 6C12, 6C13, 6C14 have different mass numbers, but are electrically neutral. This happens because



Select Answer:

The atomic numbers are same
The number of electrons and protons are the same .
The number of neutron don't varies which produces no net charge.
Mass numbers are different




      
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