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Ionisation energy is the amount of energ...

Ionisation energy is the amount of energy required to remove the outermost `e^(-)` from a gaseous atom. It's unit is kJ/mole or kcal/mole.
Successive ionisation energy - It is the amount of energy required to remove electron successively from a gaseous ion. These are termed as `IE_(2), IE_(3), IE_(4)` etc. the difference in the values of `IE_(1), IE_(2) " and " IE_(3)` helps to determine electronic configuration of the element.

Which element is a noble gas ?

A

A

B

B

C

C

D

D

Text Solution

Verified by Experts

The correct Answer is:
B
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Ionisation energy is the amount of energy required to remove the outermost e^(-) from a gaseous atom. It's unit is kJ/mole or kcal/mole. Successive ionisation energy - It is the amount of energy required to remove electron successively from a gaseous ion. These are termed as IE_(2), IE_(3), IE_(4) etc. the difference in the values of IE_(1), IE_(2) " and " IE_(3) helps to determine electronic configuration of the element. Which of the following is a non-metal ?

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