Periodic trends
Periodic Law
Dmitri Mendeleev
Atomic Number
Periods
Groups
Family
Metal
Non-metal
Metalloid
Alkali metal
Alkaline earth metal
Transition metal
Inner transition metal
Triels(boron group)
Tetrels(carbon group)
Pnictogens(nitrogen group)
Chalcogen(oxygen group)
Halogens
Noble gases
Lathanides
Actinides
Give two names for the family that Polonium is in
Which scientists attempted to create their version of the periodic table