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Which of these Group 2A elements has the largest atomic radius?

A. beryllium
B. magnesium
C. calcium
D. barium
E. radium

Sagot :

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Final answer:

Radium has the largest atomic radius among the 2A elements listed.


Explanation:

Radium has the largest atomic radius among the 2A elements listed. Atomic radius increases as you move down a group in the periodic table due to additional energy levels.


Learn more about Atomic radius trends in the periodic table here:

https://brainly.com/question/32825867


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