Identify the atomic number of an element that belongs to group 17.

Correct option is C

The correct answer is: (c) 53
Explanation:
· Group 17 of the periodic table is known as the halogen group which includes elements like fluorine, chlorine, bromine, iodine, and astatine.
· The atomic number 53 corresponds to Iodine (I).
Information Booster:
· Halogens are highly reactive non-metals.
· They form salts when combined with metals.
· Show oxidizing behavior and diatomic molecules.
· Group 17 elements have 7 valence electrons.
· Iodine is used in medicine and disinfectants.
· Halogens are part of p-block elements.
Additional Information:
· 1 – Hydrogen (Group 1).
· 7 – Nitrogen (Group 15).
· 11 – Sodium (Group 1).