Four elements P, Q, R and S have atomic numbers of 4, 10, 12 and
CHEMISTRY
JAMB 2020
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 Answer: B. Q
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *