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MAT > Chemistry > Flashcards

Chemistry Flashcards

0
Q

Activation energy

A

Energy that must be overcome for a chemical reaction to occur

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1
Q

Acid

A

pH of less than 7

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2
Q

Aeration

A

Process in which air is mixed with a liquid

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3
Q

Anion

A

Negatively charged ion

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4
Q

Atomic number

A

Number of protons the nucleus of an atom

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5
Q

Base

A

pH of mor than 7

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6
Q

Catalyst

A

Substance that changes the rate of reaction

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7
Q

Cation

A

Positively charged ion

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8
Q

Centrifuge

A

Device that uses rotation to separate substances

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9
Q

Colloid

A

Mixed substances that are evenly dispersed

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10
Q

Combustion

A

Burning with fuel, heat and oxygen

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11
Q

Deposition

A

Settling of particles in a solution

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12
Q

Electrolyte

A

Electrically conducive substance

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13
Q

Electron

A

Elementary particle with no charge

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14
Q

Entropy

A

Even distribution of a system

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15
Q

Frequency

A

Number of events per unit of time

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16
Q

Indicator

A

Compound added to a solution that changes color depending on acidity

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17
Q

Insulator

A

Material that resists the flow of electricity

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18
Q

Ion

A

Atom that has gained or lost an electron

19
Q

Ionization

A

Process of converting an atom into an ion

20
Q

Kinetics

A

Study of the rates of chemical processes

21
Q

Lattice

A

Arrangement of atoms or molecules in a crystal

22
Q

Mole

A

Measurement that contains 6.02x10^23

23
Q

Molecule

A

Neutral group of atoms held together by bonds

24
Q

pH

A

Measure of the acidity of a solution

25
Q

Precipitate

A

Formation of a solid in a solution

26
Q

Proton

A

Positive part of an atom’s nucleus

27
Q

Quark

A

Elementary particle of matter

28
Q

Reagent

A

Substance that is added to a system to get a reaction

29
Q

Sol

A

Suspension of solids in a liquid

30
Q

Solute

A

The part of the solution that is put into the solvent

31
Q

Sublimation

A

Phase transition from a solid to a gas

32
Q

Triple point

A

Temp and pressure at which three states of matter exist simultaneously

33
Q

Valence electron

A

Outermost electrons of an atom

34
Q

Viscosity

A

Measure of resistance of a fluid, or thickness

35
Q

Yield

A

Amount of a product made in a chemical reaction

36
Q

Amedeo Avogadro

A

Worked in molecular theory

37
Q

Marie curie

A

Radioactivity

38
Q

Antoine Lavoisier

A

French father of modern chemistry

39
Q

Gilbert Lewis

A

Discovered the covalent bond

40
Q

Edwin McMillan

A

First produced the transuranium element

41
Q

Dmitri Mendeleev

A

Invented the periodic table of elements

42
Q

Karl friedrich mohr

A

Known for conservation of energy principle

43
Q

Alfred Nobel

A

Inventor of dynamite

44
Q

Linus Pauling

A

Quantum chemist who won multiple NOBEL prizes

45
Q

Robert burns Woodward

A

American organic chemist

MAT (22 decks)

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