Question

An ion M²+ contains 12 electrons and 14 protons what is its mass number​

Answer 1

Answer:

Hi, This side Upasana....

No of electrons in M

2+

ion =10

No of electrons in M = 12

∴ No of protons = No of electrons = 12

∴ Atomic no = 12

Mass number = Atomic number + No of protons = 12+12=24

Hope this will help you!