Question

carbon-12, carbon-13 and carbon-14 are all ____________ of carbon. isotopes isomers allotropes homologues question 12 1 pts isotopes are atoms of the same element that have different numbers of ____________. electrons neutrons protons muons photons

Explanation:

Isotopes are atoms of the same element with different numbers of neutrons. Carbon - 12, Carbon - 13 and Carbon - 14 have the same number of protons (which defines them as carbon) but different numbers of neutrons, so they are isotopes. For the second question, by definition, isotopes of an element have different neutron numbers while the number of protons is the same for the element, and electrons are equal to protons in neutral atoms, and muons and photons are not relevant to the concept of isotopes.

Answer:

1. A. isotopes
2. B. neutrons