in mordern perodic table the group with valncy zero
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The group with valency zero is known as Noble gas.Noble gases like krypton,Neon, Argon,Xenon, Helium and radon
rosangiri28pfbc5r:
known as Alkali metals
the metalloids in third period
Boron,Silicon, Germanium,Arsenic, Antimony, Tellurium, Polonium and Astatine.
two element having valancy 4
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Carbon and Silicon
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the si unit of G is......
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