What are the elements in the rightmost columns of the Periodic Table, as we face the Table?

1 Answer
anor277
Jun 1, 2017

#"The halogens and the Noble Gases..........."#, i.e. #"Group 17 and Group 16."#

Explanation:

The halogens, fluorine, chlorine, bromine, iodine, are all non-metals. Astatine is so rare that its chemistry would be limited. The Noble Gases all have a complete valence shell, and are all gases under normal conditions.........

Related questions
See all questions in Metals and Nonmetals
Impact of this question
6425 views around the world
You can reuse this answer
Creative Commons License