Question

Refresh the simulation, and then add six protons and six electrons to make a neutral carbon atom. the Mass Number window. What's the mass number of this carbon atom?​

Answer 1

Answer:

The mass number of this carbon atom is 12.

Explanation:

Mass number = Number of protons + Number of neutrons  =  6 + 6  = 12

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Answer 2

Answer:

6

Explanation: