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Lithium, sodium and potassium are all elements that react with water to liberate hydrogen gas. Is there any similarity in the atoms of these elements? Explain.

Asked by Topperlearning User 27th May 2014, 9:51 AM
Answered by Expert
Answer:

Yes, there is a similarity in the atoms of lithium, sodium and potassium elements.                                                                                   

All these elements have a similar electronic configuration having one electron each in their valence shells. The electronic configurations of lithium, sodium and potassium are given below:

 Lithium: 2, 1

 Sodium: 2, 8, 1

 Potassium: 2, 8, 8, 1                                                          

 

 

Answered by Expert 27th May 2014, 11:51 AM
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