English, asked by Anonymous, 4 months ago

pls answer correct or i will report it​

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Answered by janvi9987
2

Answer:

second and third periods

Explanation:

A diagonal relationship is said to exist between certain pairs of diagonally adjacent elements in the second and third periods (first 20 elements) of the periodic table

Answered by sarthakdey
1

Answer:

I am trying to come but you are not accepting

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