This occurs when a person both believes and feels that his or her own racial group is superior to another racial group?

Answer 1

Racism

A multitude of ideals and situations can occur in terms of this situation, which can be demeaning and deadly to persons and people groups who have suffered from racial and ethnic struggle. Nationalism may occur, which can be healthy if projected by the individual within reason and respect to other individuals. This term describes an extreme sense of pride and accomplishment for one's country. However, nationalism can be severe to the point of compromising other racial groups' rights and well-being. If this concept is permitted to reach its extreme of influence, heaven forbid, then ethnic cleansing may take root. This barbaric idea happened when Hitler and the Nazis attempted to destroy the entire Jewish population resulting in 7 million murders, when Israelites and Arabs were (and still are) killing one another with religious persecution as the motive, and other such events are happening with other people groups around the world in the present day. In summarizing, ethnic cleansing is attempting to kill off an entire group of people because of the belief that they are racially inferior.

the original question is still not answered , its called supremacy not necessarily racism

for example the majority of whites are more intelligent then blacks and the majority of Asians are smarter then whites, that's a type of supremacy that's backed scientifically without racism involved its a matter of genetics.