Question 14
Periodic TableThe distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194 mm. The atomic radius of chlorine atom is
- A.0.097 mm
- B.0.194 mm
- C.0.388 mm
- D.2.388 mm
Show the answer and explanation
Answer: A (0.097 mm)
Explanation
The atomic (covalent) radius is half the distance between the two nuclei: 0.194 ÷ 2 = 0.097.