Atomic Structure

Question 1

Isotopes

Answer 1

Atoms of the same element which have the same proton number but have a different nucleon number

Question 2

Nucleon number (mass number)

Answer 2

The total number of protons and neutrons in the nucleus of an atom

Question 3

Noble has strucuture

Answer 3

The electronic structure of ions or atoms with a complete outer shell of electrons