Question

the average atomic mass is equal to the number of neutrons in an atom. * 2 points
o true
o false

atoms that have the same number of protons but different number of neutrons are * 2 points called isotopes.
o true
o false

Explanation:

1. The average atomic mass is the weighted - average of the masses of an element's isotopes and is not equal to the number of neutrons. The number of neutrons is just one part of the atomic mass calculation.
2. By definition, atoms with the same number of protons but different numbers of neutrons are called isotopes.

Answer:

1. B. False
2. A. True