ICSE Class 8 Answered
an element consists of 15 protons and 16 neutrons . mention the number of electrons , atomic number and mass number of this element?
Asked by subhashini | 28 Aug, 2019, 09:29: PM
Expert Answer
Given,
No. of protons = 15
No. of neutrons = 16
Atomic number = No. of electrons = No. of protons = 15
Atomic mass no. = No. of protons + No. of neutrons
= 15 + 16
= 31
Therefore, the no. of electrons of this atom of an element are 15, the atomic number is 15 and the mass no. is 31.
Answered by Ramandeep | 29 Aug, 2019, 09:20: AM
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