polyatomic element. A number of elements are found in their elemental form as diatomic molecules. In these molecules, two atoms are joined by one or more covalent bonds, forming a molecule with the general formula X 2.r. Key: diatomic element polyatomic element A number of elements are found in their elemental form as diatomic molecules. In these molecules, two atoms are joined by one or more covalent bonds, forming a molecule with the general formula X2.
Although the film was nominated for several awards. Citizen Kane, only won the Oscar for Best Original Screenplay for 1941..
Hattie McDaniel was the first African-American win an Oscar. She was nominated for Best Supporting Actress, and she won for her role as Mammy in Gone with the Wind (1939). Otâ¦her firsts for African Americans at the Oscars James Baskett was the first African-American man to receive an academy award.