Which of the following elements is present in the third period of group 7A? A) S B) Cl₂ C) I₂ D) H₂ E) Ar

Question

Quizplus · Accepted Answer

Group 7A is also known as Group 17, which consists of nonmetals such as fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At). The third period of the periodic table starts with sodium (Na) and ends with argon (Ar). Therefore, the only nonmetal in the third period of Group 17 is chlorine (Cl), which is present in choice B.

Which of the Following Elements Is Present in the Third