Question

An element X having 7 proton 7 electron and 8 neutrons what is the atomic number and atomic mass of element X

Answer 1

atomic number=7

mass. no= 7+8=15

I hope it is helpful to you

Answer 2

Hey Friend,

Here Is your answer,

The Atomic number of X element is7,

And Atomic mass is

7+8=15

Hope it helps you