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Covalent bonds:
Occur between atoms with similar electronegativities.
Two atoms SHARING electrons.
Low melting points and boiling points.
Lower reactivity than ionic.
Polar and nonpolar forms (depends on the difference between electronegativity values)

Ionic bonds:
Can conduct electricity when molten or dissolved in water.
Minimizes chemical energies by forming crystal lattices (structure)
High boiling point high melting point

Metallic Bonds:
Absorbs wide range of light energy.
emit energy in the form of light (shiny).
Conducts electricity easily.

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How to draw double and triple bonds using dots to represent valence electrons.

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How to draw single bonds using dots to represent valence electrons.

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This is a way for us to draw a molecule to help get our heads around this concept. Please do the worksheet the best you can. Some are hard.

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Lewis Dot Structure Practice Problems (1)

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This is new material. You are allowed to watch this more than once if you need to. Try the worksheet afterwards. It may help you to write down his four rules on paper.

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