<span>These values also increase from the
bottom to the top of a group because the size of the atom decreases, resulting
in a smaller distance between the nucleus and the valence electron shell, which
increases the attraction between the protons and electrons.</span>
It should be <em>Ultraviolet rays </em>because they are moderate in energy.
Answer:
Elements in which the d-sublevel is being filled have the properties of metals
I'm not quiet sure...possibly an ionic bond.