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General Chemistry > CHAPTER 1 > Flashcards

CHAPTER 1 Flashcards

Matter and Its Properties

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1
Q

Scientists involved in 5th Century B.C

A

Leucippus, Democritus, Roman Lucretius

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2
Q

uncuttable

A

atomos

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3
Q

adopted atomic theory in the 5th century

A

Roman Lucretius

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4
Q

discovered atoms in 5th century

A

Leucippus and Democritus

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5
Q

18th Century

A

atomic theory was revived, nature of gases

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6
Q

matter is made up of tiny invisible particles

A

Atomic theory

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7
Q

Scientists involved in 1808

A

John Dalton, Lothar Meyer and Dmitri Mendeleev

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8
Q

He published the atomic theory

A

John Dalton

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9
Q

He was one of the pioneers in developing the first periodic table of chemical elements.

A

Lothar Meyer

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10
Q

first to device periodic table according to atomic weight

A

Lothar Meyer and Dmitri Mendeleev

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11
Q

atoms chemically combine in simple ratios to form compounds

A

Law of Multiple Proportions

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12
Q

Scientist involved in 1913

A

Henry Gwyn Jeffrys Mosely

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13
Q

He found out that the nucleus is equal to positive charges, characterized and arranged atoms by increasing atomic number through the use of x-ray spectra

A

Henry Gwyn Jeffrys Mosely

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14
Q

atomic structure finally finished through the discovery of neutron

A

1932

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15
Q

2 Views on the State of Matter

A

Macroscopic and Microscopic Level

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16
Q

level at which you can directly observe through the use of your senses

A

Macroscopic Level

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17
Q

level at which it cannot be observed

A

Microscopic Level

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18
Q

particles are pulled into an organized, rigid structure of repeating structure

A

Crystal Lattice

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19
Q

Types of Matter

A

Liquid, solid and gas

20
Q

Properties of Matter

A

Physical and Chemical

21
Q

Physical Properties of Matter

A

directly observed; color, shape, mass, volume, boiling point, ductility, malleability

22
Q

Chemical Properties of Matter

A

affects chemical composition; toxicity, oxidation, heat of combustion, flammability, reactivity, chemical stability

23
Q

Types of Physical Matter

A

Intrinsic and Extrinsic

24
Q

does not depend on amount of matter like boiling point, temperature, luster, hardness

A

Intrinsic/Intensive

25
Q

depends on amount of matter like volume mass size, weight, length

A

Extrinsic/Extensive

26
Q

sample of matter where chemical and physical properties remain the same throughout the sample

A

Substance

27
Q

building blocks of elements, smaller units of matter

A

Atoms

28
Q

chemical substances that cannot be transformed or broken down through a chemical reaction

A

Elements

29
Q

composed of the same proportion of elements

A

Molecules

30
Q

composed of molecules

A

Compounds

31
Q

non bonded, diverse molecules or elements

A

Mixture

32
Q

composition is uniformly mixed particles of the solute are spread evenly throughout the solvent

A

Homogenous

33
Q

non uniform mixture

A

Heterogenous

34
Q

mixtures that do not spontaneously separate or settle as time passes, cannot be completely separated by filtering

A

Colloidal Mixtures

35
Q

method of separating component of mixture through WIND

A

Winnowing

36
Q

method of separating component of mixture through MAGNET

A

Magnetism

37
Q

method of separating component of mixture through GRAVITY

A

Sedimentation

38
Q

method of separating component of mixture, separation of liquid and liquid

A

Decantation

39
Q

method of separating component of mixture through, gravity: particles move together

A

Flocculation

40
Q

method of separating component of mixture through chemical components: COAGULATING AGENTS

A

Coagulation

41
Q

method of separating component of mixture, filtering liquid

A

Filtration

42
Q

method of separating component of mixture, separate soluble solid to liquid

A

Evaporation

43
Q

method of separating component of mixture through HEAT

A

Distillation

44
Q

Types of Distillation

A

a. simple distillation
b. steam
c. fractional
d. vacuum

45
Q

Types of Chromatography

A

a. adsorption
b. partition
c. ion exchange

General Chemistry (3 decks)

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