Catalyst (Left Page) – 10.22.2008 Draw a mixture of both elements and compounds which have the following: - Three molecules with three atoms per particle.

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Presentation transcript:

Catalyst (Left Page) – Draw a mixture of both elements and compounds which have the following: - Three molecules with three atoms per particle - Two compounds with two atoms per particle.

Objective SWBAT identify and label the basic structure of an atom

Atomic Structure

Atomic Structure Atom = “indivisible” from Ancient Greek philosopher Democritus Atoms are the smallest particles of matter that have their own identity

Atomic Structure Atom Definition - Smallest particles w/ own identity

Atomic Structure Atoms are made of smaller pieces called subatomic particles. Sub = below/under Atomic = of the atom

Atomic Structure Atom Definition -Smallest particles w/ own identity -Atoms made of subatomic particles

Protons :: subatomic particles Located in the center / nucleus of atom Have a positive (+) charge Abbreviated as p +

Atomic Structure Atom Definition Subatomic Particles -Smallest particles w/ own identity -Atoms made of subatomic particles -Protons (p + ): located in nucleus & have positive charge

Neutrons :: subatomic particles Located in the center / nucleus of atom Have a neutral (0) charge Abbreviated as n 0

Atomic Structure Atom Definition Subatomic Particles -Smallest particles w/ own identity -Atoms made of subatomic particles -Protons (p + ): located in nucleus & have positive charge -Neutrons (n 0 ): located in the nucleus & have neutral/zero charge

Electrons :: subatomic particles Located in the outer electron cloud Constantly moving Have a negative (-) charge Abbreviated as e -

Atomic Structure Atom Definition Subatomic Particles -Smallest particles w/ own identity -Atoms made of subatomic particles -Protons (p + ): located in nucleus & have positive charge -Neutrons (n 0 ): located in the nucleus & have neutral/zero charge -Electrons (e-): located in outer electron cloud, constantly moving, & have negative charge

Bohr Model Basic model of an atom with all subatomic particles (1p +, 1n 0, 1e - )

Atomic Structure Bohr Model

Processing (Left Page) Draw and LABEL an atomic model for each of the following descriptions: 1. 3 protons, 3 neutrons, and 3 electrons. 2. 5p +, 5n 0, 6e n 0, 5p +, 5e -

Summary Take a few minutes to make a summary of today’s notes. When done, work on your HW Packet!