Question

you are studying an element whose atoms have 10 protons. then you see a picture in your textbook of an atom with 12 protons. which of the following is true?

A) The atom with 12 protons is the same element than the atom with 10 protons

B) The atom with 12 protons is a different element than the atom with 10 protons

C) Both atoms have the same atomic number

D) None of the above is true

Answer 1

Without any doubt it is a different element !!
So B is your answer !!

Extra : One is Ne and other one with 12 proton is Mg !!

Answer 2

B is the correct answer.