Calculate the atomic number of an element whose mass number and number of neutrons are 7and 4 respectively.
Asked by anandkumar10.12.96 | 28th Dec, 2020, 02:34: PM
Atomic number of elements=?
Mass Number= 7
Number of Neutrons=4
Mass number = Number of protons + Number of neutrons=7
Number of Protons=7-4=3
So, Atomic number=3
Answered by Ravi | 28th Dec, 2020, 04:38: PM
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