Calculate the grams of CaCl2 necessary to make a 0.15M solution.

In an oxidation-reduction reaction, oxidation is what happens when a reactant

Lewis structure and molecular geometry for nh2cl

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?