Which elements have similar chemical properties? check all that apply. barium, beryllium, rubidium, radium, titanium, calcium, platinum

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?

1. list three scientific reasons cockroaches may fly.

The three types is stress that act on earths rocks are compression, tension, and