The pressure of a sample of gas is 500. mm Hg and the volume is 30.0 L. If the
1 answer:
You might be interested in
So I haven’t got time to answer all of it for you but the id you look at the picture of the periodic table I’ve added the top number in the red boxes are the groups and the period is how many elements down from the top it is (remember that the hydrogen and helium make up period ONE) so remember to include them when counting the elements as you go down the table
