What is the number of valence electrons in cadmium (cd)? 1 2 10 12

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 atoms are there in 5.70 mol of mg

What is the mass of 2.00 l of an intravenous glucose solution with a density of 1.15 g/ml?