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groups in the periodic table (group 0 (noble gases) (Helium(He) 2-He…
groups in the periodic table
group 1 (Alkalin)
Lithium
(Li)
least reactive
Sodium
(Na)
Potassium
(k)
Rubidium
(Rb)
Caesium
(Cs)
most reactive
group 7(halogens)
fluorine(F)
most reactive
Chlorine(Cl)
Bromine(Br)
Iodine(I)
Astatine(At)
least reactive
group 0 (noble gases)
Helium(He)
Neon(Ne)
Argon(Ar)
Krypton(Kr)
Xenon(Xe)
randon(Ra)
non reactive or chemically inert
