Q. What is the Common Characteristic of Elements having 86, 54, 36, 18, and 10 Atomic Numbers?
A. Inert gasses.
B. Rare earth.
C. Light metals.
D. Halogens.
Answer: Inert gasses.
We will be happy to hear your thoughts
A. Inert gasses.
B. Rare earth.
C. Light metals.
D. Halogens.
Answer: Inert gasses.