Questions and Answers
What is the atomic number of fluorine?
9
What is the atomic mass of fluorine?
18.998403 u
What is the melting point of fluorine?
-363.3 F
What is the boiling point of fluorine?
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What is the density of fluorine?
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What phase is fluorine at room temperature?
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What is fluorine classified as?
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What period number is fluorine on?
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What group number is fluorine?
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How many valence electrons does fluorine have?
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What is the reactivity of fluorine?
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Which of the following is a fun fact about fluorine? (Select all that apply)
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Study Notes
Atomic Properties of Fluorine
- Atomic number is 9, indicating its position on the periodic table.
- Atomic mass is 18.998403 u, reflecting the average mass of an atom of fluorine.
Physical Characteristics
- Melting point is -363.3°F, indicating its ability to remain a gas at room temperature.
- Boiling point is -306.6°F, further emphasizing its gaseous state under standard conditions.
- Density is 1.696 g/cm³, indicating it is lighter than many other elements.
State and Classification
- Fluorine is a gas at room temperature, showing its non-metal characteristics.
- Classified as a non-metal, distinguishing it from metals and metalloids.
- Located in period 2 of the periodic table, which consists of elements with two electron shells.
- Group 17 placement signifies its identity as a halogen group element.
Electron Configuration
- Contains 7 valence electrons, which contributes to its high reactivity and bonding behavior.
Reactivity
- Fluorine exhibits high reactivity, making it the most chemically reactive element known.
Unique Traits and Uses
- Recognized as the most electronegative element, notable for attracting electrons in chemical bonds.
- It is the lightest of the halogens, drawing interest in various chemical applications.
- Used in the production of Teflon, a widely used non-stick coating material.
- The name "fluorine" is derived from the mineral fluorite, linking it to its natural sources.
Fun Facts
- Represents extreme reactivity and strength in electrical attraction due to its position on the periodic table.
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Test your knowledge about the element fluorine with these flashcards. Each card presents a crucial aspect such as atomic number, atomic mass, melting point, boiling point, and density. Perfect for students preparing for chemistry assessments.
