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Questions and Answers
What term describes a bond where both electrons in a covalent bond originate from the same atom?
What term describes a bond where both electrons in a covalent bond originate from the same atom?
Which type of reaction is characterized by the absorption of heat from the surrounding environment?
Which type of reaction is characterized by the absorption of heat from the surrounding environment?
In what type of bond do electrons tend to be shared equally due to similar electronegativity?
In what type of bond do electrons tend to be shared equally due to similar electronegativity?
What term is used to describe structures that can represent different configurations of electrons in a molecule?
What term is used to describe structures that can represent different configurations of electrons in a molecule?
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What defines a molecule in chemical terms?
What defines a molecule in chemical terms?
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Study Notes
Types of Chemical Bonds
- Covalent Bond: Formed when two atoms share a pair of electrons.
- Molecule: A group of two or more atoms joined by chemical bonds.
- Coordinate Covalent Bond: A covalent bond in which both electrons are donated by the same atom.
- Polar Covalent Bond: Covalent bond where electrons are shared unequally due to differences in electronegativity between the atoms.
Representing Molecules
- Structural Formula: Shows the arrangement of atoms and bonds within a molecule.
- Lewis Structure: A simplified diagram illustrating the arrangement of valence electrons around atoms in a molecule.
Types of Chemical Reactions
- Endothermic Reaction: A chemical reaction that absorbs heat from its surroundings.
- Exothermic Reaction: A chemical reaction that releases energy in the form of heat or light.
Chemical Compounds
- Oxyacid: An acid containing oxygen, such as sulfuric acid or nitric acid.
Special Bonding Concepts
- Resonance: Describes bonding in certain molecules or polyatomic ions using multiple contributing structures.
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Description
Explore the fundamental concepts of chemical bonds, including covalent and polar covalent bonds, along with various types of chemical reactions such as endothermic and exothermic. Understand how molecules are represented using structural and Lewis structures. Test your knowledge on chemical compounds like oxyacids.
