If z=2 what would be the valency of element ? Also name the element.
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Z= atomic number.
If Z= 2 ,it none other than helium.
Helium is an inert gas or rare gas or noble gas (which does not involve in any chemical reaction) thus, Helium has no valency.
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Answer:
Z= atomic number.
If Z= 2, it is none other than helium.
Helium is an inert gas or rare gas or noble gas (which does not involve any chemical reaction) thus, Helium has no valency.
Explanation:
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