The Representative Elements: Groups 1A Through 4A

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Clues

The group 2A elements
Elements that exhibit both metallic and nonmetallic properties
The transformation of a gas into a liqiud
Group 1A metals
A compound containing the O2- anion
Elements along the division line in the periodic table between metals and nonmetals
Several series of elements in which inner orbitals are being filled
The process in which an ion exchange resin moves unwanted ions
The process of separating a metal from its ore and preparing it for use
Water from natural sources that contains relatively big concentrations of calcium and magnesium ions
Binary compound containing hydrogen
Covalent hydrides of boron