Atomic Radius

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Samidha Menon 1E
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Atomic Radius

Postby Samidha Menon 1E » Sat Dec 04, 2021 11:49 am

When talking about atomic radius, why would Br- be larger than Kr?
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Caden Ciraulo 1J
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Re: Atomic Radius

Postby Caden Ciraulo 1J » Sat Dec 04, 2021 1:30 pm

Br- is larger than Kr because Kr has a greater effective nuclear charge. This is because Kr has one more proton than Br- meaning that Kr has more attractive force working on the valence electrons, therefore, making the atomic radius smaller.
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