In 4-6 sentences, tell the story of Harry, the H2O. Harry has seen it all during his 4.5 billion years on Earth. He has done everything, been part of everyone and everything and has gone everywhere. This is his story … help please 40

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?

Which three statements represent the benefits of performing experiments using computer simulations?

Avolleyball player hit a ball with a mass of 0.25 kg. the average acceleration of the ball is 15.5 m/s². how much force did the volleyball player apply to the ball? 62.0 n 3.87 n 62.0 m/s² 3.87 m/s²