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 - Two compounds with two atoms per particle.
Dec 17, 2015
Catalyst (Left Page) – 10.22.2008Draw 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.
ObjectiveSWBAT identify and label the basic structure of an
atom
Atomic Structure 10.22.2008
Atomic Structure
• Atom = “indivisible” from Ancient Greek philosopher Democritus
• Atoms are the smallest particles of matter that have their own identity
Atomic Structure 10.22.2008Atom 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 10.22.2008Atom 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 10.22.2008Atom 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 n0
Atomic Structure 10.22.2008Atom Definition
Subatomic Particles
-Smallest particles w/ own identity-Atoms made of subatomic particles
-Protons (p+): located in nucleus & have positive charge-Neutrons (n0): 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 10.22.2008Atom Definition
Subatomic Particles
-Smallest particles w/ own identity-Atoms made of subatomic particles
-Protons (p+): located in nucleus & have positive charge-Neutrons (n0): 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+, 1n0, 1e-)
Atomic Structure 10.22.2008Bohr 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+, 5n0, 6e-
3.4n0, 5p+, 5e-
Summary
Take a few minutes to make a summary of today’s notes.
When done, work on your HW Packet!