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prohojiy [21]
3 years ago
6

Looking at the periodic table, which of these elements has the smallest atomic radius?

Chemistry
1 answer:
Sauron [17]3 years ago
8 0
Helium
Remember: electron filling of atomic shell  ...
 The element which have electron in the lowest quantum shell will have the smallest atomic radius\

He:1s1   (Helium)

H:1s2   (hydrogen)
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