Which of these elements can form a double bond in a molecule? Hint - which one would need to share two electrons to make an octet? A.) oxygen (O)
B.) chlorine (Cl)
C.) neon (Ne)

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

1) this is the structure in the cell nucleus that houses a cell's genetic information