The First Four Ionisation Energy Values Of An Element Are 191, 578, 872 And 5962 Kcal. The Number Of Valence Electrons In The Element Is

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Question

The first four ionisation energy values of an element are 191, 578, 872 and 5962 kcal. The number of valence electrons in the element is

1
2
3
4

easy

Solution

Correct option is

3

Since, the IV^th IE is very high, ie, electron is to be removed from stable configuration, thus it has 3 valence electrons.

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SIMILAR QUESTIONS

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Q2

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