The song played once on the radio. Then it kept on (displaying, replaying) throughout the entire day.

Which letter represents the atomic number? a) a b) b c) c

If an atom has no charge, what can we say about the subatomic particles in the atom? a) there will be the same number of protons and neutrons, but a different number of electrons. b) there will be the same number of electrons and neutrons, but a different number of protons. c) there will be the same number of protons and electrons.

It’s ok to use materials without referencing them as long as they’re paraphrased in your own words. a. false b. true c. sometimes d. depends