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olganol [36]
3 years ago
11

What trend in size of the atom do you see as you move down a group?

Chemistry
1 answer:
Vilka [71]3 years ago
7 0
The atomic radius gets smaller when you move left to right because the atoms hold on to their electron more tightly and are more reactive. When you move down a group the atomic radius gets larger because the atoms have a weaker hold on their electrons and are less reactive.
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