Question

atomic number = 24
mass number = 54
no. of. electrons = 24
no. of. protons = 24
no. of. newtrons = ??​

Answer 1

Answer:

mass number = no.of protons + no.of Newton's

no .of protons = 24

mass number = 54

54 = 24 + no.of Newton's

54 - 24 = 30

no of Newton's = 30