An element X has electron configuration 1s2 2s2 2p6 3s2 3p5. Which of the following statements is correct about the element? - SchoolNGR

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An element X has electron configuration 1s2 2s2 2p6 3s2 3p5. Which of the following ...

An element X has electron configuration 1s² 2s² 2p⁶ 3s² 3p⁵. Which of the following statements is correct about the element?

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A Lt has a completely filled p-orbital
B Lt has 5 electrons in its outermost shell.
C Lt belongs to group ll on the periodic table
D Lt is a halogen

Correct Answer: Option D

Explanation:

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