Author Question: Two nuclei may have equal Z, but different A, because they contain a. equal numbers of protons and ... (Read 67 times)

rl · **on:** Jul 28, 2018

Two nuclei may have equal Z, but different A, because they contain
a. equal numbers of protons and neutrons.
b. equal numbers of protons but different numbers of neutrons.
c. different numbers of protons but equal numbers of neutrons.
d. different numbers of protons and neutrons.
e. electrons as well as neutrons.

Question 2

Two nuclei which share the same atomic number Z always are
a. stable. b. unstable. c. isotopes.
d. isobars.
e. radioactive.