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Why does sodium have the same dot diagram as lithium?​
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Why does sodium have the same dot diagram as lithium?​

User Tiao
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1 Answer

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Step-by-step explanation:

Sodium and Lithium both belongs to same group (Group 1).

Group 1 element have 1 valence electron. That's why Group 1 element contains Na• , Li• one electron on it's atom.

Note -

It's not a dot . It's an electron.

User Wickjon
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