Question

class 11th
chemistry
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Q. IA and IIA groups are known as s-block elements.Why?
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Answer 1

Answer:

Elements of IA and IIA or 1 & 2 group are present in the left side of periodic table are called s-block elements. In these elements last electron enters in outer s-orbital. ... These cations are colorless and diamagnetic because all the electrons present are paired.

Explanation:

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