Respuesta :

Titanium123

Each proton and each neutron weight one atomic mass unit (amu)

Therefore, your answer is 6+7=13

13 amu

Gyzmo

The answer would be 13.

To find the atomic mass of a atom, you would add the number of protons and the number of neutrons together. Electrons don't take up much or any of the mass of an atom.

(number of protons) + (number of neutrons) = 7 + 6 = 13

The answer would be 13.

I hope this helps.

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