Question

15. Elements of group 18 are called zero groups. Why?​

Answer 1

Answer:

18th group elements are Noble gases and there octet is always conplete thus neither they accept electron nor they donate electron thus they are also known as zero groups. Hope u understood my answer

Answer 2

Answer:

cause the members of group 18 element are inert gases (also called noble gases ) and their orbitals are fully filled. so they do not take part in chemical reaction. therefore they are called zero group.

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