Classification Of Elements And Periodicity In Properties Ques 351
Question: The valency shell of calcium contains [JIPMER 2000]
Options:
A) 8 electrons
B) 6 electrons
C) 4 electrons
D) 2 electrons
Show Answer
Answer:
Correct Answer: D
Solution:
Valence shell configuration for IIA group elements is : $ ns^{2} $