What does the word terrestial mean?

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 many molecules are found in 1.32 mol of nacl?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.