The lightest particle among the following is :

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 are forms of frozen water? check all that apply. dew frost hail rain sleet

Reactions in cells take place at about a. 40°c b. 0° c. 100°c d. 60°c