Iam a solid at room temperature, have 3 valence electrons and i make foil. what am i?

What is the percent composition of ca(oh)2? 37.7% ca, 53.0% o, and 10.3% h 45.5% ca, 38.2% o, and 16.3% h 54.0% ca, 43.0% o, and 2.7% h 64.7% ca, 27.0% o, and 8.3% h

When water dissolves sugar, which process is not involved? o dissociation o hydration o surface area of the solute increases sa

How many atoms are in 2 moles of phosphorus?