The
element having largest atomic size among the first 20 elements
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The
element having largest atomic size among the first 20 elements
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Answer:
Atomic radii vary in a predictable way across the periodic table. As can be seen in the figures below, the atomic radius increases from top to bottom in a group, and decreases from left to right across a period. Thus, helium is the smallest element, and francium is the largest.
Explanation:
francicum is the largest elements
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