Indole is an aromatic heterocyclic organic compound with formula C8H7N. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring. Indole is widely distributed in the natural environment and can be produced by a variety of bacteria. As an intercellular signal molecule, indole regulates various aspects of bacterial physiology, including spore formation, plasmid stability, resistance to drugs, biofilm formation, and virulence.
2. A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered as acting as a single unit in the context of acid and base chemistry or in the formation of salts.. Posted by Rohit (student) on 14/3/11.EST ANSWER Certified by MeritNation Expert. A polyatomic ion, also known as a molecular ion, is a charged species (ion) composed of two or more atoms covalently bonded or of a metal complex that can be considered to be acting as a single unit in the context of acid and base chemistry or in the formation of salts.
Monoatomic ions are the elements that have either lost or gained electrons by bonding with another element. The Periodic Table helps us with all the monoatmoic ions in the A groups (the s and p-block), but it doesn't give us any information about the B group (the d-block).onoatomic ions are the elements that have either lost or gained electrons by bonding with another element. The Periodic Table helps us with all the monoatmoic ions in the A groups (the s and p-block), but it doesn't give us any information about the B group (the d-block).