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Questions and Answers
What is the chemical formula for Arsenic?
What is the chemical formula for Arsenic?
What is the chemical formula for Astatine?
What is the chemical formula for Astatine?
What is the chemical formula for Bromine?
What is the chemical formula for Bromine?
What is the chemical formula for Chlorine?
What is the chemical formula for Chlorine?
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What is the chemical formula for Fluorine?
What is the chemical formula for Fluorine?
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What is the chemical formula for Hydrogen?
What is the chemical formula for Hydrogen?
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What is the chemical formula for Iodine?
What is the chemical formula for Iodine?
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What is the chemical formula for Nitrogen?
What is the chemical formula for Nitrogen?
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What is the chemical formula for Oxygen?
What is the chemical formula for Oxygen?
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What is the chemical formula for Phosphorus?
What is the chemical formula for Phosphorus?
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What is the chemical formula for Sulfur?
What is the chemical formula for Sulfur?
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What is the chemical formula for Antimony?
What is the chemical formula for Antimony?
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What is the chemical formula for Selenium?
What is the chemical formula for Selenium?
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Study Notes
Polyatomic Elements Overview
- Polyatomic elements consist of molecules made of two or more atoms of the same element.
- They exist in various forms and play significant roles in chemistry and various scientific applications.
Key Polyatomic Elements
- Arsenic (As₂): Known for its toxicity and used in various alloys and semiconductor applications.
- Astatine (At₂): A rare element that is radioactive and has potential uses in targeted alpha-particle cancer therapy.
- Bromine (Br₂): A reddish-brown liquid at room temperature, used in flame retardants and pesticides.
- Chlorine (Cl₂): A greenish-yellow gas, essential in disinfection processes and water treatment.
- Fluorine (F₂): A highly reactive pale yellow gas, used to make fluoride compounds for dental health and in various industrial applications.
- Hydrogen (H₂): A colorless gas, the most abundant element in the universe, crucial for fuel cells and as a potential clean energy source.
- Iodine (I₂): A violet-black solid that sublimates easily, used in antiseptics and as a nutrient for thyroid health.
- Nitrogen (N₂): A colorless, odorless gas that makes up about 78% of Earth's atmosphere, vital for the production of fertilizers and explosives.
- Oxygen (O₂): A colorless gas essential for respiration in living organisms and involved in combustion processes.
- Phosphorus (P₄): Exists in several allotropes, used in fertilizers, detergents, and chemical syntheses.
- Sulfur (S₈): A yellow solid, used primarily in fertilizers, fungicides, and in the production of sulfuric acid.
- Antimony (Sb₄): A metalloid used in flame retardants and alloys.
- Selenium (Se₈): An essential trace element with applications in electronics, glassmaking, and as an antioxidant in dietary supplements.
Significance of Polyatomic Elements
- Their diverse properties and reactions are fundamental in multiple fields including biology, industry, and environmental science.
- Understanding these elements is essential for fields like chemistry, materials science, and medicine.
Studying That Suits You
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Description
Test your knowledge of polyatomic elements with these flashcards. Each card highlights a specific polyatomic element along with its chemical formula. Perfect for chemistry students looking to reinforce their understanding of these important concepts.