Chemistry Chapters 1-4 Vocabulary

Front 1

Matter

Back 1

physical substance that takes up space

Front 2

Accuracy

Back 2

The closest result possible

Front 3

Mass

Back 3

Large body of matter with an unique shape

Front 4

Precision

Back 4

Consistent results when measuring is repeated

Front 5

Physical Property

Back 5

Physical properties include shape, volume, mass, density, color, boiling point etc.

Front 6

law of conservation of mass

Back 6

The mass of the products equals the mass of the reactants in a chemical reaction

Front 7

Heterogeneous

Back 7

A mixture where both products keep their original chemical properties

Front 8

Reactants

Back 8

Is part of a reaction and undergoes changes afterwards

Front 9

Homogeneous

Back 9

the components are evenly distributed throughout the mixture

Front 10

Products

Back 10

Result of a chemical reaction

Front 11

Solid

Back 11

State of matter that forms a relatively stable shape and volume

Front 12

chemical properties

Back 12

A changing characteristic of the substance that is observed throughout the lab

Front 13

Liquid

Back 13

A fluid that conforms to the shape of its container

Front 14

Density

Back 14

Is the mass of an object divided by its volume

Front 15

Gas

Back 15

Made up of molecules in constant motion with no order (1 of 4 main states of matter)

Front 16

Temperature

Back 16

A measure of the intensity of heat

Front 17

Vapor

Back 17

A gas that is created by boiling or evaporating a liquid

Front 18

Celsius

Back 18

Non SI-Temperature scale defined by temperatures of 0C and 100C to the freezing and boiling points of water

Front 19

Mixture

Back 19

Two or more substances that are not combined chemically

Front 20

Kelvin

Back 20

In a scale that is an absolute temperate scale

Front 21

Compound

Back 21

When two or more substances are chemically bonded together

Front 22

Experimental value

Back 22

Denotes the value of a substance’s properties found in a local lab

Front 23

Solution

Back 23

Is a homogeneous mixture

Front 24

Accepted value

Back 24

Denoted value of a substance accepted by scientists

Front 25

Distillation

Back 25

Separation of component substances from liquid by selective evaporation and condensation

Front 26

Percent error

Back 26

Determines the precision of your calculations

Front 27

Element

Back 27

Substance made up of atoms with each having the same number of protons

Front 28

Chemical symbol

Back 28

An abbreviation of a chemical element (symbols on the periodic table)

Front 29

Qualitative

Back 29

Deals with figuring out the elements or ingredients

Front 30

Quantitative

Back 30

Determines the amount and proportions of its chemical