Question

the elements with least atomic size from carbon nitrogen boron and oxygen

Answer 1

Answer:

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this is your answer.......

Elements get SMALLER as you add more protons because the larger “pile” of protons in the nucleus “pulls” the electrons in closer.

Elements get BIGGER when you add more electron SHELLS, which happens when you add an extra electron after a noble gas and get something like lithium, sodium, potassium, etc.

All of the elements you mentioned are in the same row, i.e. have the same number of electron shells, so the one with the MOST protons will be the smallest.

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Answer 2

Answer:

boron is the least atomic size among them