Halogens groupes and what are Nobel gases and groups alkali groups and how d bloke elements
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d -block elements are called as transition elements
group17 is the halogen family and group18 elements are noble gases
group 1is called as alkali metals
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All are periodic elements in mosely's. periodic table .
Halogens-Fluorine, Chlorine, Bromine ,Iodine &Astatine.
Noble gases- Helium,Neon ,Argon , Krypton ,Xenon & Radon .
Alkali groups- (a)alkali metals and earth metals.
(a) alkali metals- Hydrogen, Lithium, Sodium ,etc....
(b) earth metals- berylium , magnesium , etc...
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