Question
Question: The group in Modern periodic table, in which all the elements do not have same number of electrons i...
The group in Modern periodic table, in which all the elements do not have same number of electrons in their valence shell is:
A
13th
B
11th
C
9th
D
Zero
Answer
Zero
Explanation
Solution
In zero group, He has 2 electrons in its outermost shell ; rest all elements have 8 electrons.