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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 do scientists think that gravity affected the formation of our solar system?

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?