The Venn Diagram compares chemical changes to physical changes. Which does NOT belong at R?

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 moles of gas are present if p=11 atm, v=12l, t=185k?

What shape would a molecule with two bound groups and two lone pairs have?