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Which of the following statements is true about the reactivity of Group 18 elements?
Group 18 elements are highly reactive due to their incomplete outermost shell of electrons.
Group 18 elements are unreactive because they have a complete outermost shell of electrons.
Group 18 elements are highly reactive with metals but unreactive with nonmetals.
Group 18 elements are unreactive with metals but highly reactive with nonmetals.
Answers (1)
The correct answer is (B) Group 18 elements are unreactive because they have a complete outermost shell of electrons. Group 18 elements have a stable configuration of eight electrons in their outermost shell, which makes them very unreactive and inert. They do not readily form chemical bonds with other elements. Hence option B is the correct answer.
Option (A) is incorrect because Group 18 elements are unreactive due to their complete outermost shell of electrons, not an incomplete outermost shell. Hence option A is incorrect
Option (C) is incorrect because Group 18 elements are generally unreactive with both metals and nonmetals. Hence option C is incorrect.
Option (D) is incorrect because Group 18 elements are generally unreactive with both metals and nonmetals. Hence option D is incorrect.
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