What substance do you get when you combine Bromine and Barium?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Nan element’s square on the periodic table, the number with the greatest numerical value represents the