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Asked by Jazmin

Which atom has a larger atomic radius, Ca or Ra? Why?
14 years ago

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Answered by DrBob222
Ca is in period 4; it is filling the n= 4 shell.
Ra is in period 7; it is filling the n = 7 shell. Which shell is farther from the nucleus?
14 years ago
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Which atom has a larger atomic radius, Ca or Ra? Why?

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