Nonmetal
Nonmetal (brittle, doesn't react with acid, and doesn't conduct electricity are factors of a nonmetal).
Please elaborate further :)
Pope Leo III<span>. </span>Pope<span> Saint </span>Leo III<span> (Latin: </span>Leo; fl. 12 June 816) was Pope<span> from 26 December 795 to his death in 816. Protected by </span>Charlemagne<span> from his enemies in Rome, he subsequently strengthened </span>Charlemagne's<span> position by crowning him Holy Roman Emperor and "Augustus of the Romans".</span>
