asked 32.3k views
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atoms are unstable unless they have a similar number of protons and neutrons. To make the carbon atom stable, add 6 neutrons to it. What's the mass number now?​

asked
User Fraank
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2 Answers

5 votes

Answer:

The mass number of this carbon atom is 12.

Step-by-step explanation:

answered
User EinsA
by
7.6k points
3 votes

Answer:

Mass number of carbon is 12.

Step-by-step explanation:

Carbon atom is defined as 6 atoms in a nucleus, and the mass number is the total number of protons and neutrons in the nucleus of an atom.

Before any neutrons are added to the carbon atom, its mass number is 6; after 6 neutrons are added, the total number of protons and neutrons is now 12—the mass number becomes 12.

answered
User Markus Lanthaler
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8.1k points

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