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SCORPION-xisa [38]
3 years ago
13

An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of _____ amu.

Chemistry
1 answer:
Len [333]3 years ago
6 0

Answer:

9

Explanation:

atomic mass = number of protons + number of neutrons = 4+5 = 9 amu

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