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The term light refers to?
Visible light
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Gamma Rays, Xrays, Ultra violet, visible light, Infrared, Microwave and Radio waves make up parts of what?
Electromagnetic Spectrum
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Gamma Rays, X-rays, Visible light...etc. are different from one another but they all transmit energy in the form of what?
WAVES!
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What is WAVELENGTH? and symbol?
The distance between (successive peaks or successive troughs) identical points on successive waves
Symbol- Lambda λ
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What is Frequency? symbol?
# of waves that pass through a particular point within a second
symbol - ⋎
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What is closely related to the Electron Configuration of an element?
- Chemical behavior of a given element
- Physical Properties of an element
- The type of Ion formed by a given element
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The arrow direction in a orbital diagram shows what?
The SPIN of the e-
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Each element has it's own atomic _____ consisting of fine lines of _________.
line spectrum, individual wavelengths
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Why does each element have it's own unique Atomic Line spectrum?
The lines in the spectrum correspond to differences between the specific energy states in the atom.
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Heisenberg UNCERTAINTY PRINCIPLE suggests?
It is impossible to know both the momentum p (mass times velocity m*u)
and
Position of x of a particle with certainty
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Describe how energy is absorbed by an atom.
Energy of absorbed radiation must match the difference between the two energy states of the atom.
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Why are electrons restricted to certain, discrete energy states associated with specific wavelengths?
e- have wavelike motion and are restricted to certain energy states associated with specific wavelengths
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James Maxwell's Theory states that electromagnetic wave contains what two components?
- Electric field component
- Magnetic field component
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Electron density does what?
gives the probability that an electron will be found in a particular region of an atom.
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Atomic Orbital?
can thought of as the wave function of an electron in an atom
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Quantum Mechanics- Electron density in an atom can be described by what?
be described by a wave function
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Electrons exhibit behaviors of what two things?
behaviors of particles and waves
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electron occupies 3 dimensional space near the nucleus, this space is described as what?
wave function
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What is Principal Quantum #?
Symbol?
designates the size of the orbital
Symbol = n
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What is the Angular Momentum Number?
Symbol?
- describes the shape of the atomic orbital
- (s p d and f)
Symbol = l
- Orbital: s p d f
- l : 0 1 2 3
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Magnetic Quantum #?
Symbol?
describes the orientation of the orbital in space
Symbol = m l
- 1 orientation=s
- 3 orientations=p
- 5 orientations= d
- 7 orientations= f
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For many electron systems, the principle energy level is split into _______ of differing energies.
sublevels
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Energy is the capacity to do what?
to do work or transfer heat
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Name two forms of energy
Kinetic and Potential energy
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Name a form of Kinetic Energy and define.
Thermal energy, which is energy that is associated with random motion of atoms and molecules.
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What is kinetic energy?
Energy that results form motion
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Name a type(s) potential energy. Define type(s).
Chemical Energy- energy stored within structural units of chemical substances
Electrostatic Energy- that results from the interaction of charged particles
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What is potential energy?
Energy possessed by object by virtue of its postition
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SI unit for Energy?
Joules (J)
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