Question

The image shows a portion of the periodic table. Which two elements have similar characteristics?

oxygen, fluoride, neon, sulfur, chlorine, and argon

A. neon and fluorine
B. chlorine and sulfur
C. fluorine and chlorine
D. oxygen and chlorine
E. argon and fluorine

Answer 1

Answer:

C. fluorine and chlorine

Explanation:

Fluorine and chlorine are the elements among the given choices that will show similar characteristics.

The reason for this is that elements in the same group show similar chemical behavior.

• Fluorine and chlorine are both halogens.
• They belong to the seventh group on the periodic table.
• Hence they have 7 electrons in their valence shell.
• This accounts for the similar chemical behavior and predictable physical characteristics they show.  

Answer 2

Answer:

c

Explanation: