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Trava [24]
4 years ago
9

An Atom has a proton mass of 35, a neutron mass of 35, and an electron mass of 3. What is the estimated mass of the atom ? EVERY

ONE IS SAYING 70 BUT WHAT ABOUT THE 3 MASS???? Isn’t it 73 then? HELP ME
A. 70
B. 35
C. 73
D. 38
Biology
1 answer:
BaLLatris [955]4 years ago
8 0

Answer:

A. 70

Explanation:

The mass of the atom is determined by the protons and the neutrons. Since the proton mass is 35 and the neutron mass is 35, all you need to do is add them up together:

35 + 35 = 70 amu

The electron's mass is considered negligible because it is still too small to determine. So the estimated mass of the atom will be based on the neutrons and the protons.

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