Question

Which of the following groups of four elements is called chalcogens?Select the proper choice from the given multiple choices.
(A) Nitrogen, phosphorus, arsenic and antimony
(B) Oxygen, sulphur, selenium and tellurium
(C) Fluorine, chlorine, bromine, iodine
(D) Helium, neon, argon, krypton.

Answer 1

(B) Oxygen, Sulphur, Selenium and tellurium is group of four elements which is called chalcogens.

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