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

Atom Atomic number Mass number

a 100 257

b 101 257

c 101 260

d 102 259

A.) A and B

B.) B and C

C.) B and D

D.) C and D

Question

Chemistry

Lawson Chapman

19 October, 11:11

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

Atom Atomic number Mass number

a 100 257

b 101 257

c 101 260

d 102 259

A.) A and B

B.) B and C

C.) B and D

D.) C and D

+1

Answers (1)

Know the Answer?

Ali Brandt · Answer 1

I think the correct answer from the choices listed above is option B. The two isotopes of the same element are atoms B and C. Having same atomic number means they are the same element. Hope this answers the question. Have a nice day.

The atomic and mass numbers for four different atoms are given below. Which two are isotopes of the same element?Atom Atomic number Mass numbera 100 257b 101 257c 101 260d 102 259A.) A and BB.) B and CC.) B and DD.) C and D

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

Atom Atomic number Mass number

a 100 257

b 101 257

c 101 260

d 102 259

A.) A and B

B.) B and C

C.) B and D

D.) C and D