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Q49 Atomic radius increases down the group.Why? |
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Answer» The atomic radius increases down the group because energy levels increase. Explanation:As we move down a group, the number of electrons increases. Therefore, the number of energy levels increases. Each subsequent energy level is further from the nucleus than the last. Therefore, the atomic radius increases down the group. the atomic radius increases in going down in a group because its shell is increased number of orbitals are increases it is the reason of atomic radius increases down the group |
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