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Rubidium has 5 electron shells.

The electron configuration of rubidium is [Kr]5s1.

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9y ago
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16y ago

It has 5 orbital shells since it has a quantum number of 5. Its Electron configuration is [Kr] 4d8 5s1 Note the lone 5s electron, signaling that it has 1 electron in the 5th shell.

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9y ago

Radon is a non metal element. There are 86 electrons in a single atom.

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12y ago

Radium has seven electron shells.

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Q: How many electron shells does radium have?
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