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labwork [276]
3 years ago
15

What is the mass of an atom with seven neutrons and eight electrons

Biology
2 answers:
Mrrafil [7]3 years ago
8 0

Answer:

15 AMU, or 15 daltons.

Explanation:

Typically the number of protons matches that of the electrons. So, there's 8 protons and 7 neutrons. The 8 electrons have a total mass of 8/1000 AMU, not significant enough to be counted. So the total mass is 15 AMU.

storchak [24]3 years ago
6 0

Answer:

15

Explanation:

add the number of electrons and neutrons

7+8=15

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