The valence electrons in tin are Type your answer here
strongly attracted to the
nucleus than those in silicon and the valence electrons in germanium are
Type your answer here
strongly attracted to the nucleus than those in bromine.
In each blank choose either of the following two words: more or less.

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.