Which of the following elements has the largest atomic radius?
2023
Which of the following elements has the largest atomic radius?
Answer: A. Lithium — Atomic radius decreases across a period from left to right due to increasing nuclear charge. Lithium, beryllium, and boron are all in period 2, with lithium…
- A.
Lithium
- B.
Beryllium
- C.
Boron
- D.
More than one of the above
- E.
None of the above
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Correct answer: A
Atomic radius decreases across a period from left to right due to increasing nuclear charge. Lithium, beryllium, and boron are all in period 2, with lithium being the leftmost element. Therefore, lithium has the largest atomic radius among them.
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