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• During your explorations, what molecules did you find that make up the structural
components of a cell? -✓✓Carbohydrates
Lipids
Nucleic Acids
Proteins
• Identify in the graphic below which pieces you think are atoms and which you think are
bonds. -✓✓Bond
• Identify in the graphic below which pieces you think are atoms and which you think are
bonds. -✓✓Atom
• In 30-140 characters, give your own definition of an atom. -✓✓Fill in the blank
• Which of the following would be a good definition of the atom according to
Democritus? -✓✓A piece of something that is as small as possible
• What was JJ Thomson's biggest difference from Democritus' model? -✓✓Atoms could
be broken down into smaller pieces
• Which scenario below do you think is most likely for this experiment's results? Make a
hypothesis. -✓✓any answer
• Why did this surprise Rutherford? -✓✓Thomson's model of the atom had a diffuse
positive charge, so the particles should not have been deflected very far
• How was Rutherford's model different from his mentor, Thomson's? -✓✓Rutherford's
model had a small, dense, positive nucleus
• What differences does Bohr's model have compared to Rutherford's? Select all that
apply: -✓✓Distinct energy levels for electrons
Distinct orbits for electrons
, • How is Schrödinger's model different from Bohr's? -✓✓Electrons don't have orbits but
have volumes they may occupy
• Where is most of the mass in an atom located? -✓✓Nucleus
• What makes up most of the volume of an atom? -✓✓Empty space
• Connect the name of the scientist to their contribution to the modern model of atomic
structure. -✓✓Next 6
• Bohr -✓✓Electrons in orbits by energy levels
• Rutherford -✓✓Initial concept of nucleus
• Thomson -✓✓Initial concept of electrons
• Schrodinger -✓✓Electrons in clouds
• Chadwick -✓✓initial concept of protons and neurons
• Democritus -✓✓Initial concept of atom
• Fill in the table below to describe the characteristics and location of the particles that
make up an atom. -✓✓left to right and top to bottom
• Charge: -✓✓-1
• Mass: -✓✓0 amu
• Location: -✓✓Cloud
• Particle: -✓✓Proton
• Charge -✓✓+1
• Mass: -✓✓1 amu
• Particle: -✓✓Neutron
• Mass: -✓✓1 amu
• Location: -✓✓Nucleus