How would you write the formula for sodium perchlorate?

1 Answer
Nov 9, 2015

Answer:

#NaClO_4#

Explanation:

Perchlorate is a polyatomic ion that has a #1-# charge, and sodium has a #1+# charge. Therefore it's a 1:1 ratio, making it #NaClO_4#.

When dealing with polyatomic ions you treat them as one entity.