Unit 2 - States of Matter

Question 1

This state is matter is produced when a cloud of bosons is cooled to temperatures very close to absolute zeros such that a large fraction of the bosons condense

Answer 1

Bose-Einstein COndensate (BEC)

Question 2

A physical process that results in the phase transition of a substance from solid to a liquid

Answer 2

Melting

Question 3

It occurs on the surface of a liquid as it changes into the gas phase

Answer 3

Evaporation

Question 4

It is when a substance changes from solid to gas without passing through a liquid hase

Answer 4

Sublimation

Question 5

It is when a substance change from gas to liquid

Answer 5

Condensation

Question 6

A phase transition where liquid turns into a solid when its temperature is lowered

Answer 6

Freezing

Question 7

A phase transition in which gas transforms into solid without passing through liquid

Answer 7

Deposition

Question 8

It is the property that becomes evident during chemical reaction

Answer 8

Chemical Property

Question 9

It is a property that can be measured without changing the chemical composition of the substance

Answer 9

Physical Property

Question 10

WHat are the 2 categories of Physical Properties

Answer 10

Intensive/Intrinsic Properties

Extensive/Extrinsic Properties

Question 11

The ability to transfer thermal energy to something else

Answer 11

Thermal COnductivity

Question 12

The form in which matter exists

Answer 12

State

Question 13

The ability to be pounded into thin sheets

Answer 13

Malleability

Question 14

The ability to be drawn into thin wires

Answer 14

Ductility

Question 15

The ability for one substance to dissolve into another substance

Answer 15

Solubility

Question 16

Mass per unit volume

Answer 16

Density

Question 17

the ability of transmitting the flow of energy, electricity and sound

Answer 17

Conductivity

Question 18

ability of a liquid to dissolve in another liquid.

Answer 18

Miscibility

Question 19

property of a solid to resist compression or scratching.

Answer 19

Hardness

Question 20

is the temperature at which a substance begins to change from solid to liquid.

Answer 20

Melting point

Question 21

is the temperature at which a substance begins to bubble up and change from liquid to gas.

Answer 21

Boiling point

Question 22

property of some materials that makes them easily break or crumble to pieces.

Answer 22

Brittleness

Question 23

It is the ability to burn

Answer 23

Flammability

Question 24

It is the ability when 2 substances get together, something can happen

Answer 24

Reactivity

Question 25

Substance that have uniform and definite | composition

Answer 25

Pure Substance

Question 26

- simplest substances that make up all matter

Answer 26

Elements

Question 27

How many known element is there in the present time?

Answer 27

118 known elements

Question 28

What are the elements that constitute 99% of the earth's crust?

Answer 28

a. oxygen b. silicon c. aluminum d. iron e. calcium f. sodium g. potassium h. magnesium i. hydrogen j. titanium

Question 29

9 elements constitute 93% of the human body:

Answer 29

``` Carbon Hydrogen Oxygen Nitrogen Phosphorus Calcium Chlorine Potassium Sulfur ```

Question 30

It is lustrous, silvery white, and highly reactive metal which is used for industrial purposes

Answer 30

Aluminum

Question 31

What are the 2 forms of Antimony that exist

Answer 31

stable blue-white metal unstable yellow-black nonmetal

Question 32

It is used in ceramics , enamels, paints and rubber

Answer 32

Antimony

Question 33

White crystalline metal with a pinkish tinge. It produces blue flame when burned in air

Answer 33

Bismuth

Question 34

This metal is used in cosmetics

Answer 34

Bismuth

Question 35

It is one of the metals that is in liquid at room temperature and is very reactive with cold water and ice at temp above 157 K

Answer 35

Cesium

Question 36

It is an important component of atomic clocks and photoelectric cells

Answer 36

Cesium

Question 37

It is the most ductile and malleable metal

Answer 37

Gold

Question 38

It is used in jewelry, electronics and as a memory standard.

Answer 38

Gold

Question 39

it is used in the treatment of cancer

Answer 39

Gold 198

Question 40

Dull grey and ductile metal

Answer 40

Lead

Question 41

It is commonly used as construction materials

Answer 41

Lead

Question 42

It is a light gray transition metals

Answer 42

Cobalt

Question 43

It is a part of VitaminB12

Answer 43

Cobalt

Question 44

Soft gray metal which is important in strenghtening the bones and teeth and aids in blood clotting

Answer 44

Calcium

Question 45

Yellow, nonmetalic element which is essential in amino acids methionine and cysteine

Answer 45

Sulfur

Question 46

Hard, silvery transition metal which plays an important role in effectiveness of insulin

Answer 46

Chromium

Question 47

contain 2 or more atoms that are chemically combined that is, the elements have undergone a chemical reaction.

Answer 47

Compounds

Question 48

What do you call the force of attraction that held the particles of a compound together?

Answer 48

Chemical bonds

Question 49

It is one of the most popular ways of separating the elements in a compohnd

Answer 49

Electrolysis

Question 50

It is the splitting of compounds into the corresponding elements with the use of electricity.

Answer 50

Electrolysis

Question 51

a type of mixture that contains only one | phase. It is commonly referred to as solution.

Answer 51

Homogeneous

Question 52

the dispersed or dissolved phase of a solution

Answer 52

Solute

Question 53

the dispersing or dissolving medium of a solution

Answer 53

Solvent

Question 54

It is a type of mixture that contains 2 or more phases | and the components of can be easily seen and identified.

Answer 54

Heterogeneous

Question 55

What are the 2 kinds of heterogeneous

Answer 55

Suspension | Colloid

Question 56

It is a kind of mixture where the suspended particles in this kind of mixture are visible to the naked eye and are big enough to settle.

Answer 56

Suspension

Question 57

a heterogeneous mixture wherein the solute-like particles do not settle out.

Answer 57

Colloid

Question 58

What are the changes that a matter undergoes

Answer 58

Physical and Chemical