Which of the following elements is a halogen? (2017) 2017

Which of the following elements is a halogen? (2017) 2017

Step 1: Understand what a halogen is. Halogens are a group of elements in the periodic table that are known for being very reactive.
Step 2: Identify the group number for halogens. Halogens are found in Group 17 of the periodic table.
Step 3: Look at the elements in Group 17. The elements in this group include fluorine (F), chlorine (Cl), bromine (Br), iodine (I), and astatine (At).
Step 4: Determine which of these elements is a halogen. Bromine (Br) is one of the elements listed in Group 17, making it a halogen.
Step 5: Conclude that bromine is a halogen.

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