Into To Chem

Question 1

It deals with the study of composition properties and structures.

Answer 1

Chemistry

Question 2

Building blocks of matter.

Answer 2

Atoms

Question 3

Consists of two or more atoms joined together and recognized as a unit.

Answer 3

Molecules

Question 4

Has mass and take up space.

Answer 4

Matter

Question 5

Amount of matter in an object.

Answer 5

Mass

Question 6

Amount of space an object takes up.

Answer 6

Volume

Question 7

Measure or force of gravity on an object.

Answer 7

Weight

Question 8

Three types of properties of matter:

Answer 8

Physical, Chemical and Characteristic Properties

Question 9

Characteristics of features that describe matter, that are observed and measured without changing the identity and composition of a substance.

Answer 9

Physical Properties

Question 10

Properties that do not change as mass and volume or change in shape.

Answer 10

Characteristic Properties

Question 11

Refers to the ability of a substance to undergo changes to transform into different substance.

Answer 11

Chemical Properties

Question 12

Properties that depend on the amount of substances.

Answer 12

Extensive Properties

Question 13

Properties that depend on the type or quality of matter.

Answer 13

Intensive Properties

Question 14

State the states of matter.

Answer 14

Solid
Liquid
Gas
Plasma
Bose-Einstein Condensate

Question 15

A change of matter without changing the identity of the substance.

Answer 15

Physical Change

Question 16

When two or more substances are combined into entirely new substance with all new properties.

Answer 16

Chemical Change

Question 17

Changes of Matter:

Answer 17

Physical and Chemical Change

Question 18

Classifications of Matter:

Answer 18

Pure Substances

Mixtures

Question 19

Something that is not mixed or combined with anything else.

Answer 19

Pure Substances

Question 20

A combination of two or more substances where there is no chemical combination or reaction to occur.

Answer 20

Mixtures

Question 21

True or False: Pure Substances are not homogenous.

Answer 21

False

Question 22

Has the same uniform appearance and composition throughout and cannot be separated physically.

Answer 22

Homogenous

Question 23

It doesn’t have uniform composition and can be separated physically.

Answer 23

Heterogenous.

Question 24

True or False: Solutions are homogenous mixtures.

Answer 24

True

Question 25

Mixture of two or more substances in a single phase.

Answer 25

Solution

Question 26

Substance in the smallest amount in a solution and the one that dissolves or disperses.

Answer 26

Solute

Question 27

Substance in the larger amount in the solution.

Answer 27

Solvent

Question 28

What are the two main division of pure substances?

Answer 28

Elements and Compound

Question 29

Substance made from only one type of atom.

Answer 29

Element

Question 30

A substance made from two or more elements that have reacted chemically with each other.

Answer 30

Compound

Question 31

State the three kinds of elements.

Answer 31

Metals, Non-metals, metalloids

Question 32

What are the Diatomic Molecules?

Answer 32

Hydrogen, Nitrogen, Fluorine, Oxygen, Iodine, Chlorine, Bromine (Have No Fear Of Ice CoLd BeeR)

Question 33

What are the nine methods of separating mixtures?

Answer 33

Filtration, Centrifugation, Decantation, Chromatography, Distillation, Density, Evaporation, Magnet, Physical Manipulation

Question 34

Ratio of mass and volume. | Method of separating mixtures by getting the layered substance without med dropper.

Answer 34

Density

Question 35

Tool used to separate matter from different densities.

Answer 35

Centrifuge

Question 36

Used to separate components of a solution.

Answer 36

Chromatography

Question 37

Separation can be done by scooping or picking the substance by the use of spoon, fork, tongs, etc.

Answer 37

Physical Manipulation

Question 38

Method of separating substances that have different boiling points.

Answer 38

Distillation

Question 39

Used to separate an insoluble substance from a soluble substance.

Answer 39

Filtration

Question 40

Can be used to separate a magnetic substance from a non-magnetic substance.

Answer 40

A magnet

Question 41

To pour the liquids of and leave the solids behind.

Answer 41

Decantation

Question 42

Can be used to separate a solute from the solvent in a solution.

Answer 42

Evaporation

Question 43

Classification of Compounds:

Answer 43

Acid, Base, Salt