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BIO TOOL 1 > MATTER > Flashcards

MATTER Flashcards

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Biology 101 flashcards
1
Q

anything that occupies space and has mass

A

Matter

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2
Q

refers to qualities or distinguishing characteristics of a substance used in its identification and description

A

Properties in chemistry

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3
Q

are those that can be observed without changing the composition of matter

A

Physical properties

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4
Q

are the tendencies of a substance to change, either alone or by interacting with other substances, forming another substance

A

Chemical properties

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5
Q

characteristics of matter which are inherent or part of the nature of the substance itself no matter what size or shape it may be

A

Intrinsic/Intensive properties

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6
Q

physical properties that depend on the quality or kind of material

A

Intrinsic/Intensive properties

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7
Q

properties of matter which are not inherent or properties which are not permanent qualities of the substance itself, these properties depend on quantity or amount of material present on the matter

A

Extrinsic/Extensive properties

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8
Q

space that matter occupies

A

Volume

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9
Q

total number of molecules found in the body

A

Mass

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10
Q

total pull of gravity upon a given mass

A

Weight

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11
Q

demonstrates that no two materials can occupy the same space at the same time

A

Impenetrability

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12
Q

tendency for a body in motion to keep on moving unless an outside force is applied to change its condition

A

Inertia

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13
Q

every bit of matter has a certain degree of attraction or repulsion upon bits of matter

A

Gravitation

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14
Q

property of matter to return to its original position when the force applied to it is removed

A

Elasticity

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15
Q

gives the material its weight per unit volume

A

Density

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16
Q

property of being hard but easily breaks

A

Brittleness

17
Q

possessed by materials that can be pounded into sheets

A

Malleability

18
Q

enables materials to be formed into wires

A

Ductility

19
Q

causes materials to absorb liquids

A

Porosity

20
Q

enables materials to be shaped into various forms

A

Plasticity

21
Q

materials can be bent without breaking

A

Pliant

22
Q

result in the disappearance of substances and formation of new ones

A

Chemical changes

23
Q

changes that do not result in the formation of new substances

A

Physical changes

24
Q

are homogenous, perfectly uniform in composition and cannot be separated into simpler components by physical method

A

Pure substance

25
Q

made up of only one type of atom

A

Elements

26
Q

made up of two or more different elements but are pure substances because they consist of only one kind of molecules

A

Compounds

27
Q

materials which are not uniform in composition and contain two or more different substances

A

Mixture

28
Q

refers to materials in which differing parts cannot be distinguished even with a microscope

A

Homogenous

29
Q

refers to material in which there are visible parts

A

Heterogenous

30
Q

condition of matter where molecules are compact

A

Solid

31
Q

kinds of solid

A

Isomorphous
Polymorphous/Allotropic
Amorphous

32
Q

condition where the molecules are loose and less compact

A

Liquid

33
Q

kinds of liquid

A

Viscous liquid
Fluids
Volatile
Non-volatile

34
Q

descriptive forces completely dominate cohesive forces in gaseous or vapour state, the particles are relatively far apart except when they collide

A

Gaseous state

35
Q

formulated by Antoine Lavoisier 1789 - states that the matter is neither created nor destroyed

A

Law of Conservation of Matter

36
Q

states that in any chemical reaction, the mass of the system remains constant

A

Law of Conservation of Mass

37
Q

states that energy cannot be created nor destroyed, it can only be changed from one form to another

A

Law of Conservation of Energy

38
Q

Joseph Proust 1799 - states that pure compound is always composed of the same elements combined in a definite proportion by weight

A

Law of Definite Composition or Law of Constant/Definite Proportion

39
Q

John Dalton 1805 - states that when two elements combine to form more than one compound, the different weights of one that combines with a fixed weight of the other are in the ratio of small whole numbers

A

Law of Multiple Proportions

BIO TOOL 1 (5 decks)

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