Question

Name the element in period three which does not from an oxide

Answer 1

Explanation:

A number of elements, e.g., arsenic, carbon, manganese, nitrogen, phosphorous, and sulfur, combine with oxygen to form more than one oxide. The inert gases do not form oxides. The halogens and inactive metals do not combine directly with oxygen, but their oxides can be formed by indirect methods.

Answer 2

Answer:

Hydrogen ☹️☹️☹️☹️☹️☹️