Join 60,000+ competitive exam aspirants
or with email
Your Cart
SubtotalтВ╣0
TotalтВ╣0
Examoogle тАв User тАв info@examoogle.com тАв EE-2024-8821
Chapter 1 of 12 тАв Page 1 of 248ЁЯФТ Protected PDF тАв Watermarked
Join 60,000+ competitive exam aspirants
What is the atomic number of Chlorine?
15
16
17
18
17
Chlorine is a halogen element with the chemical symbol Cl and atomic number 17. It has 17 protons and 17 electrons, placing it in Period 3 and Group 17 of the modern periodic table.
Chlorine is a halogen element with the chemical symbol Cl and atomic number 17. It has 17 protons and 17 electrons, placing it in Period 3 and Group 17 of the modern periodic table.
The modern periodic table is based on Henry Moseley's atomic number law, which arranges elements by their nuclear charge rather than atomic mass.
Atomic number of Chlorine is 17.
It is a highly reactive halogen belonging to Group 17.
Its electronic configuration is 2, 8, 7, making it short of one electron for a stable octet.
Option A (15) represents Phosphorus.
Option B (16) represents Sulfur.
Option D (18) represents Argon, which is a noble gas.
C is correct тАФ The atomic number of Chlorine is 17.
Make sure to revise the first 20 elements of the periodic table along with their valencies and group names for railway and SSC science sections.
Get instant step-by-step AI explanations, full shift Previous Year Papers (SSC GD, RRB, SSC JE), and regional rank analysis on the official Examoogle App.
Free Download тАв 100K+ Aspirants