Pre AP Chemistry Atom Exam Review
Historical development of the Atom (3 questions)
Democritus ______________________________________________________________________
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Dalton ______________________________________________________________________
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Rutherford ______________________________________________________________________
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Modern Atomic Model – Protons, Electrons, Neutrons (12 questions)
Definition of Atom
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Describe charge and size of subatomic particles.
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Describe the location and charge of electron cloud and nucleus.
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The atomic number is always equal to the number of ___________________________
The identity of an element can be determined by the number of ___________________
Atomic mass = ___________________ +_______________________
Determine the number of subatomic particles given the symbol
Li = Protons__________ Electrons____________ Neutrons_______________
Lithium – 6 Protons__________ Electrons____________ Neutrons________________
6Li
Protons__________ Electrons__________ Neutrons_________________
What does the 6 in Lithium-6 stand for? ___________________________
Isotopes (6 questions)
Definition of isotope.
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The unit for Average Atomic Mass is ________________________________________
Free Response
Identify subatomic particles for Atoms (4 questions)
Carbon -14
O
Average Atomic Mass Calculation (1 questions)
Electromagnetic spectrum (6 questions)
Compare the wavelengths (short to long) and frequency (high to low) of visible light
colors
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Describe the relationship between frequency and wavelength
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Calculate wavelength when given frequency.
Calculate frequency when given wavelength.
Calculate energy when given wavelength.