Four elements P Q R and S have atomic numbers o... - JAMB Chemistry 2020 Question
Four elements P, Q, R and S have atomic numbers of 4, 10, 12 and 14 respectively. Which of these elements is noble gas?
A
P
B
Q
C
R
D
S
correct option: b
They are the most stable because they have the maximum number of valence electrons their outer shell can hold.
Hence, they rarely react with other elements since they are already stable.
Please share this, thanks:
Add your answer
No responses