About how many times more energy came from oil than from nuclear power in 2007?

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

What produces wave a)sound b) heats c)transfer of energy d)vibrations

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?