Which measurement represents the smallest value of pressure? 100 kPa 785 mm Hg 755 torr 0.750 atm 22.0 psi 1 points

Which statement about the stamps is correct?

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