All the elements of the halogen family except astatine occur in nature in the form of their compounds. Because of their marked chemical activity, they are never found in nature in the uncombined state ...

and group 7 elements (halogens). If you struggled with the quiz, don't panic - we've got you! You can revise the relevant areas by clicking the links below.

These elements are organized in the periodic table based on their atomic numbers, which increase sequentially from 1 (Hydrogen) to 118 (Oganesson). Each element has unique chemical properties and ...

and the following sections briefly delineate the chemistry of several additional nonmetallic elements-carbon, silicon, nitrogen, phosphorus, and sulfur. A later section discusses the properties of the ...

and group 7 elements (halogens). If you struggled with the quiz, don't panic - we've got you! You can revise the relevant areas by clicking the links below.