This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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The question asks to identify which chemical element belongs to the halogens group on the periodic table. Step 1: Understand the halogens group. The halogens are a group of highly reactive nonmetals found in Group 17 of the periodic table. This group includes Fluorine (F), Chlorine (Cl), Bromine (Br), Iodine (I), and Astatine (At). Step 2: Evaluate the given options. A. Argon (Ar): Argon is a noble gas, belonging to Group 18. B. Sodium (Na): Sodium is an alkali metal, belonging to Group 1. C. Calcium (Ca): Calcium is an alkaline earth metal, belonging to Group 2. D. Chlorine (Cl): Chlorine is a halogen, belonging to Group 17. Step 3: Select the correct answer. Based on the evaluation, Chlorine is the element that belongs to the halogens group. The correct answer is D. D) Chlorine What's next?