Beryllium, magnesium and calcium all are located in the alkaline earth group. which of these characteristics do these elements have in common? a) they each have similar densities. b) they each have a similar melting point. c) they each form similar compounds when combined with oxygen. d) they each have their valence electrons in the same energy level.

Which metals are called noble metals

Describe the forces both attractive and repulsive that occur as two atoms move closer together.

Some molecular compounds, such as hcl, ionize completely in solution. for molecular compounds such as h2co3, most molecules do not ionize in solution. which describes the properties of these two solutes? a. hcl and h2co3 have the same effect on the properties of the solution. b. hcl raises the freezing point of water more than h2co3 does. c. hcl raises the boiling point of water more than h2co3 does.