Is astatine a metal or a nonmetal?
Understand the Problem
The question is asking whether astatine is classified as a metal or nonmetal in the periodic table of elements. Astatine is a halogen and is positioned in group 17, which typically includes nonmetals, but it has some metallic properties.
Answer
Astatine is considered a nonmetal.
Astatine is considered a nonmetal by many sources, but its classification can vary (nonmetal or metalloid).
Answer for screen readers
Astatine is considered a nonmetal by many sources, but its classification can vary (nonmetal or metalloid).
More Information
Astatine is often categorized as a nonmetal due to its properties, but it's positioned at a borderline area in the periodic table, leading to some sources considering it a metalloid.
Tips
Confusion arises because elements near the metalloid line can show properties of both metals and nonmetals.
Sources
- The web page with info on - Example Source - pubs.acs.org
- Is Astatine (At) atomic number 85 a non-metal, a halogen or a metal? - quora.com
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