Chapter 1: Structure of the Atom
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20 Terms
1
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Electromagnetic radiation
________ is defined by wavelength and frequency.
2
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Pauli Exclusion Principle
The ________ states that no two electrons in an atom can have the same set of four quantum numbers.
3
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Momentum
________ is correlated to the size of the electrons orbit.
4
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Wavelength
________ is the distance between to repeating points (minima to minima or maxima to maxima)
5
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Heisenberg Uncertainty Principle
The ________ states that it is impossible to simultaneously determine the exact position and momentum of a particle.
6
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indivisible particles
All matter is made up of tiny, ________ called atoms.
7
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Electrons
________ will fill the lowest energy orbitals first before moving to higher energy orbitals.
8
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Frequency
________ is the number of waves per second.
9
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Bohr radius
The ________ is the distance between the nucleus and the electron in a hydrogen atom in its ground state.
10
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Electron orbitals
________ are regions of space around the nucleus of an atom where electrons are likely to be found.
11
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arrangement of orbitals
The number and ________ in an atom is determined by its electron configuration.
12
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Valence electrons
________ are represented by dots in Lewis dot structures.
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hund's rule
Electrons fill orbitals one by one with parallel spins before pairing up
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neutron charge
0
15
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proton charge
\+1
16
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electron charge
\-1
17
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max electrons in the first principal energy level
2
18
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max electrons in the second principal energy level
8
19
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max electrons in the third principal energy level
18
20
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max electrons in the fourth principal energy level
32
