Question

The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element?

Answer 1

Isotopes are atoms of the same element with the same number of protons but different number of neutrons.

Answer 2

So B and D?

Answer 3

These are my options:
B and C

A and B

B and D

C and D

Answer 4

@Abmon98

Answer 5

atomic number of a chemical element (also known as its proton number)

Answer 6

I don't get it...

Answer 7

Atomic number is the proton number and isotopes are two atoms that share the same number of protons but have different number of neutrons.
Mass Number=(protons+neutrons)

Answer 8

Ok so my answer was correct?

Answer 9

no B and C