Question:
The elements with atomic numbers 9, 17, 35, 53 belong to the family of
The elements with atomic numbers 9, 17, 35, 53 belong to the family of
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Remember that Group 17 in the periodic table is known as the halogen group. Elements in this group share similar chemical properties due to their electron configurations.
Updated On: May 31, 2026
- Halogens
- Alkali metals
- Alkaline earth metals
- Noble gases
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The Correct Option is A
Solution and Explanation
Step 1: Concept
Elements are classified into different families based on their atomic numbers, electron configurations, and chemical properties. The periodic table organizes elements into groups (families) such as alkali metals, alkaline earth metals, halogens, and noble gases.
Step 2: Meaning
The question asks to identify the family of four specific elements: those with atomic numbers 9, 17, 35, and 53. Each element's identity can be determined by its atomic number, which corresponds to the number of protons in its nucleus.
Step 3: Analysis
Element with atomic number 9 is Fluorine (F), a halogen. Element with atomic number 17 is Chlorine (Cl), also a halogen. Element with atomic number 35 is Bromine (Br), another halogen. Element with atomic number 53 is Iodine (I), yet another halogen. All these elements belong to the halogens family, which are located in Group 17 of the periodic table. Halogens have seven valence electrons and typically gain one electron to achieve a stable octet configuration.
Step 4: Conclusion
The elements with atomic numbers 9, 17, 35, and 53 all belong to the halogens family. Final Answer: (A)
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