Which of the statements are true about hydrogen? (A) It exists as diatomic molecule. (B) It has ...

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Which of the statements are true about hydrogen?
(A) It exists as diatomic molecule.
(B) It has one electron in the outermost shell.
(C) It can lose an electron to form a cation which can freely exist
(D) It forms a large number of ionic compounds by losing an electron.
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