Question

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Q-29 Potassium, bromine and krypton are elements in period 4 of the periodic
table
(a) In which group of the periodic table can these elements be found?
(b)Bromine exists as a molecule .Draw a electron dot structure to show the
bonding in a molecule of bromine.
(c)Krypton does not react with either potassium or bromine , Explain the
unreactive nature of krypton.​

Answer 1

Explanation:

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Answer 2

Explanation:

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