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Aphysical reaction is a process in which one or more reactants change into one or more products with different properties. select the best answer from the choices provided t f

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?

Using data from seismic waves, geologists have learned that earth’s interior is made up of several