The inert gas element which does not have octet configuration in the outer most orbit is
A) Ar
B) Kr
C) Rn
D) He
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…………….. exhibits octet configuration.
D) Noble gases
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The inert gas which does not have octet configuration ……………..
Correct option is B) Helium
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Which of the following element lose three electrons to get octet in its outer shell?
Correct option is D) Al
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Which of the following molecule does NOT obey octet rule?
Correct Option is : (A)\(BF_3\) \(BF_3\) is a electro deficient species . Because B atom contain only six in their outer shell in \(BF_3\) molecule . It does not follow octet rule.
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Which of the following molecule does NOT obey octet rule?
2 Answers
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David : By transfer of electrons atoms – can attain octet Dravid : By sharing of electrons atoms – can attain octet
C) Both David and Dravid are correct.
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The number of electrons present in outer most orbit of an atom is called ……………… electrons.
Correct option is A) valency
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An outer most shell which has 8 elec-trons is said to possess an ………………. configuration.
Correct option is B) octet
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The property of having 8 electrons in the outer most orbit is called A) Atomicity
Correct option is C) Octet
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i. Write the observed outer electronic configuration of Eu. ii. What is the reason for this variation in electronic configuration?
i. Observed outer electronic configuration of europium (Eu) is 6s2 4f7 5d0. ii. In the observed electronic configuration of Eu, 4f subshell is half-filled which is a highly stable configuration. Therefore, observed electronic configuration...
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