Question

please tell me correct option please it's my request please don't be Wrong options​

Answer 1

Answer:

Option 2. Isobars

and the X element is CARBON and Y is NITROGEN

Isotopes: Same atomic numbers different atomic mass

Isobars : Same atomic mass different atomic number

HOPE YOU GET YOUR ANSWER

Answer 2

Answer:

...ISOBAR

Explanation:

ISOBAR IS SAME MASS NO. BUT DIFFERENT ATOMIC NO.