Question

Name four element which occur in free state . Where are they present in the activity series ? why ?​

Answer 1

Answer:

Examples of elements which can occur as free elements include the oxygen molecule (O2) and carbon. All atoms of free elements have an oxidation number of 0. They hardly ever bond with other atoms. Other examples of free elements include the noble metals gold and platinum.

Answer 2

Explanation:

• The metals at the top of the activity series an so reactive that they are never found in nature as free elements.