Properties of Matter

Question 1

All matter has _______

Answer 1

Physical and chemical properties

Question 2

Characteristics that are measurable without changing the composition of the sample

Answer 2

Physical properties

Question 3

What are some examples of physical properties?

Answer 3

Density, malleability, ductility, solubility, thermal conductivity

Question 4

Characteristic ability of a substance to react to form a new substance

Answer 4

Chemical properties

Question 5

What are some examples of chemical properties?

Answer 5

Combustibility, flammability, reactivity: oxidation of materials, burning wood, fireworks

Question 6

What are the 2 classifications of physical properties?

Answer 6

Extensive and intensive properties

Question 7

A property that varies with the amount of the substance (dependent on the amount of a substance)

Answer 7

Extensive properties

Question 8

A property that is independent of the amount of a substance

Answer 8

Intensive properties

Question 9

What are some examples of extensive properties?

Answer 9

Mass, volume, weight, length

Question 10

What are some examples of intensive properties?

Answer 10

Color, boiling point, temperature, hardness, melting point (all at a given temperature)

Question 11

Is density an intensive or extensive property?

Answer 11

Intensive

Question 12

Is mass an intensive or extensive property?

Answer 12

Extensive

Question 13

Is volume an intensive or extensive property?

Answer 13

Extensive

Question 14

What is the formula for density?

Answer 14

density = mass / unit volume

Question 15

What is the unit for density?

Answer 15

g/cm³

Question 16

What is a change where no chemical bonds are broken or formed?

Answer 16

Physical change

Question 17

What are some examples of a physical change?

Answer 17

Changes in state, separation of mixture, physical deformation

Question 18

What is a change where bonds are broken or formed between molecules or atoms?

Answer 18

Chemical change

Question 19

What are some examples of a chemical change?

Answer 19

Combustion reaction, decomposition reaction, neutralization reaction, redox reaction, synthesis reaction

Question 20

What is the amount of mass in a given volume?

Answer 20

Density

Question 21

Solid to Liquid

Answer 21

Melting

Question 22

Liquid to Solid

Answer 22

Freezing

Question 23

Gas to Liquid

Answer 23

Condensation

Question 24

Solid to Gas

Answer 24

Sublimation

Question 25

Gas to Solid

Answer 25

Deposition

Question 26

Liquid to Gas

Answer 26

Evaporation

Question 27

The ability to be molded into another shape

Answer 27

Malleability

Question 28

The ability to withstand plastic deformation

Answer 28

Ductility

Question 29

The different types of plastic deformation

Answer 29

Tensile, compressive, bending, and torsional deformation

Question 30

The ability to catch fire at normal temperatures

Answer 30

Flammability

Question 31

The ability to catch fire at higher temperatures

Answer 31

Combustibility

Question 32

Multiplier and unit of kilo

Answer 32

1000 | k

Question 33

Multiplier and unit of hecto

Answer 33

100 | h

Question 34

Multiplier and unit of deca

Answer 34

10 | da

Question 35

Multiplier and unit of deci

Answer 35

0.1 or 1/10| d

Question 36

Multiplier and unit of centi

Answer 36

0.01 or 1/100| c

Question 37

Multiplier and unit of mill

Answer 37

0.001 or 1/1000 | m

Question 38

Multiplier and unit of micro

Answer 38

0.000001 or 1/1,000,000 | µ

Question 39

4 Principles of Dalton's Atomic Theory

Answer 39

1.) Elements are made out of atoms 2.) Atoms of a given element are identical. If it were two different elements, their atoms are different 3.) Compounds are composed of atoms of more than 1 element 4.) A chemical reaction involves only the separation and rearrangement, not the creation nor destruction of atoms

Question 40

The charge of an electron

Answer 40

-1

Question 41

The charge of a proton

Answer 41

+1

Question 42

The charge of a neutron

Answer 42

0

Question 43

What is the mass number (A)

Answer 43

protons + neutrons

Question 44

What is the atomic number (Z)

Answer 44

Number of protons

Question 45

An element with a different number of neutrons in their nuclei

Answer 45

Isotope

Question 46

Signs that an object underwent chemical change

Answer 46

Odor production, change in temperature, change in color, effervescence, formation of precipitates

Question 47

What theory do these 2 sentences describe?: A molecule will always stay in motion so long as it has energy depending on the temperature of an object Changes in energy result in a phase change

Answer 47

Kinetic Molecular Theory

Question 48

What are the 3 key principles of the Kinetic Molecular Theory

Answer 48

1.) No energy gain or loss during molecule collision 2.) Molecules take up negligible space compared to its container 3.) Will always remain in linear motion until collision