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If Argon has a mass number of 40 and an atomic number of 18, how many electrons does a neutral atom contain? A.40 B.20 C.22 D.18
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If Argon has a mass number of 40 and an atomic number of 18, how many electrons does a neutral atom contain? A.40 B.20 C.22 D.18
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Jun 2, 2021
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If Argon has a mass number of 40 and an atomic number of 18, how many electrons does a
neutral atom contain?
A.40
B.20
C.22
D.18
Chemistry
high-school
Mbonnin
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C) 22 because the mass of a neutron is 1 amu and a proton is also 1 amu, so 40-18=22
Jawap
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Jun 9, 2021
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