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AP Chemistry Chemistry Basics.

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Presentation on theme: "AP Chemistry Chemistry Basics."— Presentation transcript:

1 AP Chemistry Chemistry Basics

2 LE 2-4 Cloud of negative charge (2 electrons) Electrons Nucleus

3 Molecule: Same element

4 Molecule: Different elements

5 Energy and Atoms Third energy level (shell) Energy absorbed Second energy level (shell) First energy level (shell) Energy lost Atomic nucleus

6 Valence Electrons

7 Covalent Bonds

8 POLAR MOLECULE – O H H + + H2O

9 Ionic Bonds

10 SALT Na+ Cl–

11 HYDROGEN BONDS – + + – + + + Water (H2O) Hydrogen bond Ammonia
(NH3) + + +

12 Van der Waals Interactions
e e e- e e- e e- NUCLEUS


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