General
Chemistry
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1. Introduction to Physical Sciences
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Introduction to Chemistry
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History of Chemistry
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Fundamentals of Chemistry
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Atomic Structure
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Stoichiometry
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Thermochemistry
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Gas Laws
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Quantum Mechanics and the Electronic Structure of Atoms
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Periodic Trends
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Bonding
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Solutions
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Acids and Bases
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Redox Reactions
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Organic Chemistry
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Biochemistry
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Future of Chemistry
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Careers in Chemistry
Legacy Course
Ionic and Covalent Bonding
Bonding is the process by which atoms are held together to form molecules, and it is an important aspect of chemistry. There are two main types of bonding: ionic bonding and covalent bonding.
Ionic bonding occurs when atoms transfer electrons to form ions, and it is characterized by the presence of ions in the compound. Ions are atoms that have gained or lost electrons, and they have a positive or negative charge, respectively.

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In an ionic bond, one atom donates an electron to another atom, and the resulting ions are held together by the attractive forces between the positive and negative charges. Ionic bonds are typically formed between metals and nonmetals, and they are characterized by the high melting and boiling points of the compounds that they form.
Covalent bonding occurs when atoms share electrons to form a molecule, and it is characterized by the presence of a covalent bond between the atoms. A covalent bond is a chemical bond that is formed by the sharing of one or more pairs of electrons between two atoms.

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Covalent bonds are typically formed between nonmetals, and they are characterized by the low melting and boiling points of the compounds that they form. Covalent bonds are typically stronger than ionic bonds, and they are responsible for the properties of many important substances, such as water, methane, and DNA.
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