The atomic number of magnesium (mg) is 12. this is also the number of which of the following

What produces wave a)sound b) heats c)transfer of energy d)vibrations

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.

What is a difference between a mixture of elements and a mixture of compounds