Brandon's hands are cold from playing out in the snow. When he goes in the house, his mother hands him a mug of hot cocoa and his hands warm up. Why? A. Heat moves from the mug to his hands. B. Particles from the cocoa move to his hands. C. Cold from his hands is absorbed by the mug. D. Chemical energy from the cocoa changes to heat.

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.