2Na + Cl2 → 2NaCl How many moles of Cl2 do you need to use in order to react with 34.485 g of Na?

moles (put 1 zero in front of the decimal)

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

When the mercury level in a barometer decreases that atmospheric pressure has

If an atom has 12 protons and 13 neutrons