Is measured by the force required to move an object times the distance it moves it. mass force distance velocity work

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?

How much energy is made when a pice of wood burns. how do you know

What reaction is taking place? 02 + c3h8 = h20 + co2