Which statement describes the conditions in which diamonds form? A. they form deep underground, in certain areas that are under a great deal of pressure.
B. they form as water evaporates on the shores of very salty bodys of water.
C. They form as water evaporates on the shore of any body of water.
D. they form deep underground, in most regions of earth.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.