Which subatomic particles can vary between isotopes of the same element, without changing the observed chemical properties?
(a) electrons
(b) protons and neutrons
(c) neutrons
(d) neutrons and electrons
Answer: C
Which subatomic particles can vary between isotopes of the same element, without changing the observed chemical properties?
(a) electrons
(b) protons and neutrons
(c) neutrons
(d) neutrons and electrons
Answer: C