Question

there are two atomic species X and Y, such that
X Y
Protons 8 8
Neutrons 8 10
which statement is true about atom X and Y
1) X and Y are isobar.
2) X and Y have different chemical properties.
3) X and Y have different physical properties.
4) All of these.​

Answer 1

Answer:

2) X and Y have different physical properties