Question
Chemistry Question on Classification of elements & periodicity in properties
Which is the most non-metallic element among the following?
A
1s22s22p63s1
B
1s22s22p5
C
1s22s22p63s2
D
1s22s22p3
Answer
1s22s22p5
Explanation
Solution
It contains maximum number of electrons in the outermost shell. An element with more than 3 electrons in outermost shell is non-metallic.