1. Alkaline Earth
Metals
Extremely
Key
Reactive(Combine with Alkaline Earth Metals Nonmetals Lanthanides
other elements with a lot Hydrogen
of heat)
Halogens Transition Metals Halogens Actinides
Beryllium Magnesium
Metalloids Noble gasses
Calcium Strontium Barium Alkali Metals
Radium
Have an oxidation of
+2(Number of substance
in a charge
Actinides
All are
radioactive.
Halogens Actinides are
highly
All have 7 Electrons
electropositiv
In group 17
e.
fluorine (F), chlorine (Cl),
Dense metals
bromine (Br), iodine (I), and
with
astatine (At).
distinctive
structure
Noble Gases
Found in group 18
maximum number of
electrons
Helium Neon Argon
Krypton Xenon Radon
Lanthanides
Fifteen elements
Atomic number of 57+
Rare earth metals