Elements from the same column group of the periodic table show similar chemical characteristics. Trends run through the periodic table, with nonmetallic character (keeping their own electrons) ...

As you move from left to right across the periodic table, atoms have more electrons in their outer energy level and more protons in their nucleus. The greater attraction between the increased ...

Atoms of group 1 elements have one electron in their outer shell, and atoms of group 2 elements have two electrons in their ... guide on groups in the periodic table for more information.