Chapter 1: Structure of the Atom

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Electromagnetic radiation

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20 Terms

1

Electromagnetic radiation

________ is defined by wavelength and frequency.

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2

Pauli Exclusion Principle

The ________ states that no two electrons in an atom can have the same set of four quantum numbers.

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3

Momentum

________ is correlated to the size of the electrons orbit.

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4

Wavelength

________ is the distance between to repeating points (minima to minima or maxima to maxima)

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5

Heisenberg Uncertainty Principle

The ________ states that it is impossible to simultaneously determine the exact position and momentum of a particle.

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6

indivisible particles

All matter is made up of tiny, ________ called atoms.

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7

Electrons

________ will fill the lowest energy orbitals first before moving to higher energy orbitals.

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8

Frequency

________ is the number of waves per second.

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9

Bohr radius

The ________ is the distance between the nucleus and the electron in a hydrogen atom in its ground state.

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10

Electron orbitals

________ are regions of space around the nucleus of an atom where electrons are likely to be found.

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11

arrangement of orbitals

The number and ________ in an atom is determined by its electron configuration.

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12

Valence electrons

________ are represented by dots in Lewis dot structures.

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13

hund's rule

Electrons fill orbitals one by one with parallel spins before pairing up

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14

neutron charge

0

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15

proton charge

+1

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16

electron charge

-1

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17

max electrons in the first principal energy level

2

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18

max electrons in the second principal energy level

8

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19

max electrons in the third principal energy level

18

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20

max electrons in the fourth principal energy level

32

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