You’ve probably heard of the chemical calcium in milk. But calcium shows up in lots of other stuff too. For example, the hard part of your bones and teeth is made from calcium connected to a chemical ...

1 calcium atom, 2 chlorine atoms, 2 sodium atoms, 2 hydrogen atoms, 2 carbon atoms, and 6 oxygen atoms The chemical equation is balanced because the same type and number of atoms are in the reactants ...

The word equation forming magnesium ... by using the thermal decomposition of calcium carbonate. Introduce the concept of conservation of mass in chemical reactions. Students could be encouraged ...