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The atomic number of polassium and calcium is 19 and 20 respectively and they belong to the same period. Who among them would have smaller atomic size ​
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2 votes
The atomic number of polassium and

calcium is 19 and 20 respectively and they
belong to the same period.
Who among them would have smaller atomic size ​

User JMarc
by
5.5k points

1 Answer

4 votes

Step-by-step explanation:

Atomic radius decreases from left to right in a period.

Therefore Calcium would have a smaller atomic size.

User Keith Holloway
by
5.2k points
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