Which of the following has the smallest atomic radius?
-
Sodium
-
Magnesium
-
Aluminum
-
Chlorine
📝 Detailed explanation
Atomic radius decreases across a period from left to right.
Chlorine has the highest nuclear charge in the 3rd period, pulling electrons closer.
← Previous
→ Next
Space — Show answer
🎯 Take a test on the topic «CAU Admission Test Sample Questions 5»
This topic contains 30 questions.
Test your knowledge!
🔐 Log in to take the test
📚 All tests by subject «Bio+Chem»
View all collections and topics in Bio+Chem
Go to subject →