2.
How many moles are contained in 0.800 g of calcium chloride (CaCl2)?

What is the formula for the molecular compound nitrogen monoxide

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !