Why do the noble gases NOT form compounds readily?
a. They have empty outer energy levels.
b. They have no electrons.
c. They have seven electrons in the outer energy levels.
d. Their outer energy levels are completely filled with electrons.

Which of these conditions most likely produces an unstable isotope?

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.

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?