There are three ways that heat can move from one place to another. use examples pertaining to how heat is transferred from the sun to earth and in the land, ocean, and atmosphere to explain all three.

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?

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

Why can water dissolve many ionic compounds