A certain atom has 22 protons and 19 electrons. This atom loses an electron. The net charge on the atom is now ___.If this same atom with 22 protons and 19 electrons were to gain 3 electrons, the net charge on the atom would be

How have the greenhouse gasses increased from the year 2000 to 2018

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

What must occur for air masses to form fronts