kyricharles75 kyricharles75

25-11-2020
Chemistry

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amu.
An atom with 4 protons, 5 neutrons, and 4 electrons has an atomic mass of
(Enter a whole number.)

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kk5996282 kk5996282

25-11-2020

Answer:

Explanation:

the sum of number of proton and neutron is known as atomic mass

so if number of proton is 4 and neutron is 5 then atomic mass of an atom is 9

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