Which diatomic molecule is formed when the
two atoms share six electrons?
(1) h2
(2) n2
(3) o2
(4) f2

Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

What is the correct lewis structure for chloroform chcl3