Ionic and Covalent Bonds

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Presentation transcript:

Ionic and Covalent Bonds EQ: Why do atoms form chemical bonds?

What is a Compound? Substance made of the combined atoms of two or more elements

What is a Chemical Formula? Tells what elements a compound contains and the exact number of the atoms of those elements

Superscript- Represents oxidation number or how many electrons has been gained or lost Coefficient- Represents the number of units of each substance 2H2O SO42- Subscript- Represents number of atoms in a molecule of a particular element

Why is bonding important? Atoms form compounds to become chemically stable. An atom is chemically stable when the outer energy level is complete or full.

What is a Chemical Bond? Force that holds together the atoms in a substance

ION: Positive or negatively charged atom What is an Ionic Bond? Loses or gains electron (e- are ripped away from an element) Attraction between opposite charges of ions Between metal & nonmetal ION: Positive or negatively charged atom

What is a Covalent Bond? Shares e- Can form multiple bonds. Between an nonmetal and a nonmetal.

Summary Please take this time to write your summary.