Question

Q. order of strenght of bond ?
a. 1s-1s
b. 2s-2s




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Answer 1

Answer:

1s-1s>2s-2s

Explanation:it is because the electron in 1s-1s are nearer to nucleus hence attraction is more and are more stable

Answer 2

Answer:

a>b

coz, bond strength inversely proportional to period