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The atomic number of beryllium (Be) is 4, and the atomic number of barium (Ba) is 56. Which comparison is best supported by this information?

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gracibear
The comparison is best supported by this information is that beryllium has a lower atomic radius than Barium.

Answer: They are in the same group because they have similar chemical properties but they are in this different. Because they have very different atomic numbers

Explanation: it’s b :)

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