Joseph and Monique here FREE POINTS

Can someone me with 1 to 4 plz. fast

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?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable