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Explain why is sodium less reactive then potassium .

Explain why is sodium less reactive then potassium .

Grade:Upto college level

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
Potassium has one more full shell of electrons between the nucleus and the outermost electron. Thus, in potassium, the outermost electron is better shielded from the attractive force of the nucleus. It follows, therefore, that this outermost electron is more easily lost than it is in sodium, so potassium can form K+ more readily than sodium can form Na+. Hence, potassium is more reactive than sodium.

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