Periodic Table Review Activity. Definition. What does PERIODIC mean? A repeating pattern Mendeleev left some spaces in his table because not all elements lined up according to atomic mass. He used info he knew about surrounding elements to PREDICT properties and masses of unknown elements.
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13GROUPS/FAMILIES GIVES # VALENCE E-
Group 2 or IIA
Group13 or IIIA
Group 14 or IVA
Group 15 or VA
Group 16 or VIA
Group 17 or VIIA
Group 18 or VIIIA
Lanthanide & Actinide series
Alkaline Earth metals
Inner transition metalsNames of Families
The physical and chemical properties of the elements are periodic functions of their atomic number.
The tendency of atoms to gain or lose electrons so they acquire 8 electrons in their outer energy level for stability
attraction of an atom for an added electron; to form an anion
estimate of the size of an atom a cation
distance between the nucleus and the likely location of electron cloud
ability of an atom to compete with other atoms for electrons shared between them
i.e. who wants them more?Atomic Radius
Once you have finished, check your answers with a peer.