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Alkali Metals
Group 1
1 Valence electron
Solids
Metals
Facts:
Form Ionic Compounds
Soft, low density
Extremely reactive

Alkaline Metals
Group 2
2 Valence electrons
Solids
Metals
Facts:
Melting point decreases with increased atomic radius
Soft, low density
Less reactive than Alkali metals

Transition metals
Group 3-12
(Varies) Valence electrons
Solids
Metals
Facts:
High melting points
Malleable
Good conductors

BCNO Group
Group 13-16: Boron, Carbon, Nitrogen, Oxygen
3-6 Valence electron
B&C Solids, N&O Gases
Non-metals
Facts:
Needed for basic life
Foundational elements of organic chemistry

Halogens
Group 17
7 Valence electrons
I Solid, Br Liquid, F&Cl gases
Metalloids & Non-metals
Facts:
Very radioactive
Higher density than air

Noble Gases
Group 18
8 Valence electrons, full valence shell
Gases
Non-metals
Facts:
Extremely stable/non-reactive
Full valence shell
Used for electron configuration shortcuts

Lanthan(o)ides/Actinides
N/A group
varied Valence electron
Solids
Metals
Facts:
Highly unstable.flammable
Silvery-white color
Air tarnishing
Super-conductors
