you are given the reaction cu hno3 right arrow. cu(no3)2 no h2o. which element is oxidized? which element is reduced

What semimetal can form four single covalent bonds.

Imagine that you push on a large rock. at what point does your effort change the rock’s mechanical energy?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.