Chem 1110 Lec

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Chemistry

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24 Terms

1

Chemistry

The study of matter and its interactions.

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2

Valence Electrons

Electrons that are more unstable than innermost electrons and play a key role in chemical bonding.

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3

Conservation Laws

Principles that govern the conservation of mass, energy, electrons, and charges in chemical reactions.

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4

Quantum Mechanical Model of the Atom

A model that explains the behavior of electrons as both waves and particles.

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5

Schrodinger’s Cat

A thought experiment illustrating the principles of quantum mechanics and superposition.

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6

Deterministic Phenomena

The belief prior to the 20th century that all physical phenomena could be predicted with certainty.

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7

Sub-Atomic Particles

Particles that do not follow deterministic rules, as their future states cannot be predicted from present conditions.

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8

Electron Behavior

The behavior of electrons, which determines the behavior of atoms and is difficult to observe directly.

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9

Light

A form of electromagnetic radiation composed of oscillating electric and magnetic fields.

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10

Speed of Light

The constant speed at which all electromagnetic waves travel, approximately 3.00 × 10^8 m/s.

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11

Amplitude

The height of a wave, indicating the intensity of light.

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12

Wavelength

The distance between successive crests of a wave.

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13

Frequency

The number of waves that pass a point in a given time, measured in Hertz (cycles/s).

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14

Energy of Waves

Total energy is proportional to both amplitude and frequency of the wave.

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15

Wavelength-Frequency Relationship

Wavelength and frequency are inversely proportional; shorter wavelengths correspond to higher frequencies.

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16

Color of Light

Determined by its wavelength or frequency; white light is a mixture of all visible colors.

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17

ROYGBIV

The acronym representing the colors of the visible spectrum (Red, Orange, Yellow, Green, Blue, Indigo, Violet).

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18

Electromagnetic Spectrum

A classification of electromagnetic waves by wavelength, with varying energy levels.

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19

Ionizing Radiation

High-energy electromagnetic radiation that can damage biological molecules.

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20

Radio Signal Transmission

AM (amplitude modulation) and FM (frequency modulation) are methods of transmitting radio signals.

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21

Standing Waves

Waves that remain constrained within a region of space, important for understanding atomic and molecular structure.

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22

2-D Waves

Vibrational patterns on a flat surface that exhibit standing wave characteristics.

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23

Interference

The interaction between waves, resulting in constructive (in phase) or destructive (out of phase) interference.

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24

Diffraction

The bending of waves around obstacles or openings similar in size to the wavelength, demonstrating wave behavior.

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