How many valence electrons are in a highly reactive metal that is explosive with water?

A).7
B).2
C).1
D).5

Who examines and coordinates the cleanup of polluted sites?

Which statement best describes the liquid state of matter? a. it has definite shape but indefinite volume. b. it has definite shape and definite volume. c. it has indefinite shape and indefinite volume. d. it has indefinite shape but definite volume.

Which element forms a compound with chlorine with the general formula mci?