Question

Which group of elements has the most similar chemical properties?
A. flourine, chlorine, and iodine
B. aluminum, silicon, and phosphorus
C. carbon, nitrogen, and oxygen
D. uranium, plutonium, and lead

Answer 1

The group of elements that has the most similar chemical properties is:

**A. fluorine, chlorine, and iodine**

These elements belong to the same group (Group 17, also known as the halogens) in the periodic table and share similar chemical behaviors due to their similar electron configurations and positions in the periodic table.