Which of the following properties of metals?  1.lustrous, 2.ductile,
3.high electrical conductivity,
4.malleable
(can be more than one answer.)

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?