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Periodic table (Period 1 (Hydrogen (Readily looses or gains electrons…
Periodic table
Period 1
Hydrogen
Readily looses or gains electrons
Behave as Group 1 or Group 7
Most abundant element
Helium
Unreactive
Fill 1s Orbitals
Period 4
18 Element
Potassium to Krypton
First row of transition elements
Outer electrons
4s, 4p and 3d
Period 2
Eight elements
Lithium
Berylium
Boron
Carbon
Giant Molecular structure
Nitrogen
Oxygen
Fluorine
Neon
Noble Gas
Fill 2s and 2p Oribtals (outer electrons)
Period 3
Eight elements
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulfur
Chlorine
Argon
Outer electrons
3s and 3p