What does % composition represent? What are the steps to calculate percent composition?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

1. true or false: minerals are inorganic. true false 2. inorganic means that something has never been found alive 3. halite is another name for and is a mineral with a cubic crystal pattern. table salt rock salt

How can the number of core electrons be determined from the periodic table