- s & p – block elements are also called representative elements
- f – block elements – Lanthanides and actinides
- d block – transistion elements
- Typical elements – Li to F
- Transuranic elements – Artificial elements ( At. no > 93 (Np)
- Group VA / 15 – Nitrogen family – Pnicogenes – suffocating agents
- Group VA / 16 – Oxygen family – chalcogenes – ore forming family.
- Group II ( B ) – Voltile metal – Zn , Cd , Hg
- Group I ( B ) – Coinage metal – Cu , Ag , Au
- Group VII A – halogens – sea salts
- Group Zero – Noble gas – Areogens
- Rogue elements – H
- King of elements – C
- Stranger gas – Xe
- Adams catalyst – pt
- Noble metals – Au , Pt , Hg , Ag
- Amphoteric metals – Al , Zn , Sn , Pb
- Pseudo solid – Glass
- Pseudo halogens – (CN)2 , ( CNS ) 2 , ( CNO ) 2
- Pseudo halides – CN – , NC – , CNS – , CNO –
- Pseudo alum – FeSO 4 Al2 ( SO4 ) 3. 24 H2O
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