Look at the positions of calcium, beryllium, and magnesium on the periodic table. based on their locations, predict how many valence electrons these elements have and predict what the reactivity of these elements will generally by

Temperature is _related to the average kinetic energy of a gas. inversely directly not disproportionally

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

What substance has a mass of 9.5g and volume of 2.1cm^3