Write the symbol and charge for each individual ion: 11) Beryllium and and phosphorus
12) Cesium and sulfur
13) lithium and Phosphorus
14) Fluorine and rubidium
15) Francium and oxygen

Correct relationship between molecular formula and empirical formula

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.

Which of the following describes the entropy change as a solution is made from a liquid and solid