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What is this boi
Outer shell

wut is ts
Inner shell

bruh wth
Electron

…
Nucleus
How many electrons in shell 1
2 max
How many electrons in shell 2
8 max
How many electrons in shell 3
8 max
Protons
They have a positive charge and live in the nucleus
Electrons
They have a negative charge and orbit around the outside in the shells
Neutrons
These are neutral and stay in the nucleus
Neutral atom
Has the same amount of protons and electrons
WHat do the elements in the same group have in common
They have the same amount of electrons in the outer shell
How are chemical properties given
The outer shell electrons give the element its chemical properties.