Question

Q.4 Answer in one word /sentence
(i)Write value of forst Bohr radius.
(ii)What do you mean by group in periodic table? How many groups are present
in periodic table.18 group
?
(1) What types of hybridization is present in CH, molecule? SP hybridized
(iv)What types of structure of ice?
(v) Alkali metals belongs which group of periodic table?​

Answer 1

Answer:

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Answer 2

Explanation:

of periodic table, modern periodic law and the present from of ... Group 1 and Group 2 Elements : General introduction, electronic ... Atomic mass is represented by 'u' (unified mass)

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