Given the reaction: 2 Mg(s) + O2(g) ⇨ 2 MgO(s) List four ways that you could speed up the rate of the reaction:

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?

Can someone me with 3 and 4 plz. this is for masteries test.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude