A. Mercury and Bromine
B. Carbon and helium
C. Nitrogen and Hydrogen
D. Oxygen and Neon
Submitted by: Ashfaque Ali Khoso
Correct Answer: Mercury and Bromine ✔
Last Updated: April 16, 2019
A. Mercury and Bromine
B. Carbon and helium
C. Nitrogen and Hydrogen
D. Oxygen and Neon
Submitted by: Ashfaque Ali Khoso
Correct Answer: Mercury and Bromine ✔
Last Updated: April 16, 2019