The symbol for a certain isotope of radium is 
. How many nucleons are there in the nucleus of this isotope?
Definitions:
Annexed Outlying Areas
Territories that have been formally incorporated into a country or state but lie outside its primary geographical boundaries.
Ku Klux Klan
A secret society in the southern U.S. that focuses on white supremacy, white nationalism, and anti-immigration, notorious for its violence against African Americans and other groups.
Anti-Immigrant
A stance or policy that opposes immigration, often characterized by hostility towards immigrants and efforts to restrict their entry into a country.
Anti-Catholic
Exhibiting hostility towards Catholicism, its followers, or its practices, often based on religious intolerance or misunderstanding.
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