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Gekata [30.6K]
3 years ago
9

Refer to your periodic table:

Chemistry
1 answer:
Mazyrski [523]3 years ago
6 0

iondine

Explanation:

bromine has 185pm, astatine haa 200, iondine has 140 and lastly fluorine has 147. so iondine has the smallest atomic radius

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