Question

What are diatoms???
Thanks in advance

Answer 1

Molecules made up of two atoms that are chemically bonded. The atoms can be of the same element or different element.
eg: Cl   , F
         2     2

Answer 2

Diatoms are a major group of algae, and are among the most common types of phytoplankton. Diatoms are unicellular, although they can form colonies in the shape of filaments or ribbons, fans, zigzags, or stars