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chemistry > Words Used by Chemist > Flashcards

Words Used by Chemist Flashcards

1
Q

A hydrogen-containing compound that releases hydrogen ions in a solution

A

acid

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2
Q

a material made up by combining two or more metals

A

alloy

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3
Q

breaking down a compound into two or more substances

A

analysis

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4
Q

free from water

A

anhydrous

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5
Q

the smallest unit of of an element that can enter into the making of a chemical compound

A

atom

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6
Q

the weight of an atom compared with the weight if an oxygen atom set at 16

A

atomic weight

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7
Q

a compound containing the hydroxide group (OH)

A

base

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8
Q

a substance that helps in a chemical reaction without itself being changed

A

catalyst

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9
Q

a change of a substance into another substance having different properties

A

chemical change

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10
Q

a branch of science dealing with the compositions of substances and the changes that can be made in them

A

chemistry

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11
Q

burning; a chemical change that produces heat and light

A

combustion

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12
Q

a substance consisting of two or more different kinds of atoms in in definite proportions by weight

A

compound

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13
Q

a solid in which atoms or molecules are arranged in a definite pattern

A

crystal

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14
Q

the weight of a liquid or a solid in grams per cm^3 or milliliter

A

density

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15
Q

a liquid that has been turned into vaper and again cooled into a liquid

A

distillate

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16
Q

the process of producing a distillate

A

distillation

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17
Q

capable of being drawn out into a wire

A

ductile

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18
Q

breaking down a substance by passing an electric current through it

A

electrolysis

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19
Q

a substance that, when in a solution or when melted, will conduct an electric current

A

electrolytes

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20
Q

a substance that contains only one kind of atom

A

element

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21
Q

a complete description of a chemical reaction by the use of symbols, formulas, and signs.

A

equations

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22
Q

the changing of a substance into vapor: also the process of removing water by heating

A

evaporation

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23
Q

a liquid obtained by filtration

A

filtrate

24
Q

the process of straining a liquid from a solid through porous material, usually filter paper

A

filtration

25
Q

a group of symbols and numbers giving the composition of a compound

A

formula

26
Q

a compound containing loosely bound water of hydrogen that can be driven off by heating

A

hydrate

27
Q

a compound that contains the hydroxyl (OH) radical

A

hydroxide

28
Q

an electrically charged atom or group of atoms (radical)

A

ion

29
Q

capable of being hammered or rolled into a thin sheet

A

malleable

30
Q

anything that takes up space and has mass

A

matter

31
Q

an element hat is a good conductor of electricity, has luster, and whose oxide forms a base with water

A

metal

32
Q

an element that has properties of both metals and nonmetals

A

metalloid

33
Q

a mingling of substance not combined chemically

A

mixture

34
Q

the sum of the atomic weight of the the atoms that make up a molecule of a compound

A

molecular weight

35
Q

the smallest unit of a compound that can exist in a free state

A

molecule

36
Q

the reaction of an acid and a base to give a salt and water

A

neutralization

37
Q

an element that is a poor conductor of electricity, does not have luster, and whose oxide forms an acid when combined with water

A

nonmetal

38
Q

the chemistry of carbon compounds

A

organic chemistry

39
Q

the process by which a substance combines with oxygen

A

oxidation

40
Q

an insoluble solid formed in a solution by chemical reaction

A

precipitate

41
Q

a group of atoms that behave chemically as a single atom

A

radical

42
Q

a chemical change

A

reaction

43
Q

removal of oxygen: the opposite of oxidation

A

reduction

44
Q

compound formed by the reaction of an acid and a base

A

salt

45
Q

a solution tat contains the maximum amount of solute under the conditions

A

saturated solution

46
Q

the number of grams of a solute needed to make a saturated solution in 100 grams of solvent

A

solubility

47
Q

the substance dissolved in a solvent

A

solute

48
Q

a non-settling mixture of a solute in a solvent

A

solution

49
Q

a liquid in which a solute is dissolved

A

solvent

50
Q

a process by which a solid is turned into a vapor and again cooled into a solid without passing through a liquid phase

A

sublimation

51
Q

a small numeral indicating the number of atoms of a certain element in the formula of a compound

A

subscript

52
Q

any specific kind of matter whether element, compound, or mixture

A

substance

53
Q

the making up of a compound form simpler compounds or from elements; the opposite of analysis

A

synthesis

54
Q

the number of hydrogen atoms which one atom of an element can displace or with which it can untie

A

valence

55
Q

a letter or two letters representing one atom of an element

A

symbol

chemistry (10 decks)

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