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Questions and Answers
What is the electrostatic force of attraction between two oppositely charged ions called?
What is the electrostatic force of attraction between two oppositely charged ions called?
Ionic bond
Covalent bonds join metals to non-metals.
Covalent bonds join metals to non-metals.
False
What type of bond joins metals to metals?
What type of bond joins metals to metals?
Metallic bond
In the following compound HH
H-C-C-H
HH
the symbol - represents [blank] pair(s) of electrons.
In the following compound HH H-C-C-H HH the symbol - represents [blank] pair(s) of electrons.
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What is the correct formula for Sulfur Oxide?
What is the correct formula for Sulfur Oxide?
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What is the chemical formula for Iron (III) sulfide?
What is the chemical formula for Iron (III) sulfide?
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What is the chemical formula for Dinitrogen hexaflouride?
What is the chemical formula for Dinitrogen hexaflouride?
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What is the number of valence electrons in the element Carbon?
What is the number of valence electrons in the element Carbon?
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What is the molecular geometry of a molecule with no lone pairs?
What is the molecular geometry of a molecule with no lone pairs?
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Study Notes
Bond Types
- Ionic bonds: Form between metals and non-metals through electrostatic attraction between oppositely charged ions (cations and anions).
- Covalent bonds: Form between non-metals by sharing electrons. These bonds form molecules.
- Metallic bonds: Join metals to metals, characterized by a "sea of electrons."
Chemical Formulas
- Sulfur Oxide (III): SO₂
- Iron (III) sulfide: Fe₂S₃
- Dinitrogen hexafluoride: N₂F₆
Valence Electrons
- Valence electrons are electrons in the outermost shell of an atom.
- The number of valence electrons determines bonding properties and electron configuration of different elements.
Molecular Geometry
- Molecular geometry describes the three-dimensional arrangement of atoms and lone pairs in a molecule.
- The geometry is determined by the number of bond pairs and lone pairs around the central atom. This affects the shape.
- Examples of molecular geometries and angles include:
- Linear (180°)
- Trigonal planar (120°)
- Bent (<120°)
- Tetrahedral (109.5°)
- Trigonal pyramidal
- Bent
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Description
Test your knowledge on ionic, covalent, and metallic bonds, as well as chemical formulas and valence electrons. This quiz also explores molecular geometry and its impact on the shape of molecules. See how well you understand these fundamental concepts in chemistry!
