Which of the following are weak electrolytes in water

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?

The name of the ion, s2-, is: sulfurous ion sulfide ion sulfur ion sulfate ion

What is the mass of 4 molecules of co2