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Grade: 11
        
The kinectic energy of the electron present in the ground state of Li2+ ion is represented by 
1) (3e^2)÷(4pie0r)
2) (3e^2)÷(8pie0r)
Could you please explain how you found it?
Thanks
one year ago

Answers : (2)

Ambarish Kumar Banerjee
53 Points
							
centripetal force is produced by electrostatic force. 
mv2 /r =e*Ze/4(pi)(epsilon naught)r2 .  cut a r from lhs and rhs an d multioply both sides by (1/2). u have the answer as 2
one year ago
Yagnesh Devada
22 Points
							@ambarish the answer should be 8 since you are multiplying by 1/2, 4 is in the denominator denominator is being multiplied by 2
						
one year ago
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