2

Question 1

can be classified based on its composition.
They can be classified as pure substances or mixtures.

Answer 1

Matter

Question 2

Elements and
compounds both have
___________
and exhibit specific
properties.

Answer 2

definite composition

Question 3

can be
classified as metals,
nonmetals, and
metalloids.

Answer 3

Elements

Question 4

General properties:
o lustrous solid at room
temperature (except Hg,
which is liquid)
o hardness and tensile strength
o ductility and malleability
o good heat/electricity
conductors
o high melting point/boiling

Answer 4

Metals

Question 5

General properties:
o either solid or gas at room
temperature (except Br2, which
is liquid)
o brittle and dull solids
o poor conductors of heat and
electricity
o low melting and boiling points

Answer 5

Nonmetals

Question 6

o exhibit properties of both
metals and nonmetal
o conducts heat and
electricity but not as good
as how metals act as
conductors
o semiconductors

Answer 6

Metalloids/Semimetals

Question 7

may be categorized based on the presence of the
element carbon: organic or inorganic

Answer 7

Compounds

Question 8

a class of compounds in which one or more carbon
atoms are bonded to other elements, most
commonly hydrogen, oxygen, or nitrogen

Answer 8

Organic Compounds

Question 9

a class of compounds lacking carbon-hydrogen
bonds

Answer 9

Inorganic Compounds

Question 10

o everything else except carbon
o comprise most of Earth’s crust

Answer 10

Inorganic compounds

Question 11

are those
that contain carbon atoms
bonded to elements like H, O,
and N.

Answer 11

Organic compounds

Question 12

are those without the element
carbon.

Answer 12

Inorganic compounds

Question 13

are those without the element
carbon.

Answer 13

Inorganic compounds

Question 14

electron transfer
o made up of positively
charged species (cations)
bonded to negatively
charged species (anions)

Answer 14

Ionic compounds

Question 15

are forms of matter that have a
definite or fixed composition. They can be classified
as elements or compounds.

Answer 15

Pure substances

Question 16

the simplest form of matter that is
made up of a single atom or more of the same kind of
atoms that are chemically bound.

Answer 16

element

Question 17

the simplest form of matter that is
made up of a single atom or more of the same kind of
atoms that are chemically bound.

Answer 17

element

Question 18

the simplest form of matter that is
made up of a single atom or more of the same kind of
atoms that are chemically bound.

Answer 18

element

Question 19

may be classified as metals, nonmetals,
and metalloids.

Answer 19

Elements

Question 20

is made up of different kinds of atoms
that are combined by a chemical reaction.

Answer 20

compound

Question 21

may be classified based on the presence
of a particular element.

Answer 21

Compounds

Question 22

are a class of compounds in
which one or more carbon atoms are bonded to other
elements like hydrogen, oxygen, or nitrogen.

Answer 22

Organic compounds

Question 23

are a class of compounds that
do not have carbon-hydrogen bonds.

Answer 23

Inorganic compounds

Question 24

Compounds may be classified based on the type of
bonding between elements.

Answer 24

o ionic compounds
o covalent compounds

Question 25

Compounds may be classified based on the type of
bonding between elements.

Answer 25

o ionic compounds
o covalent compounds

Question 26

can be represented by a chemical
formula or a combination of chemical symbols of
elements that constitute the compound.

Answer 26

compound

Question 27

To make elements easier to describe in written form,
_______ are used

Answer 27

chemical symbols

Question 28

Pure substances have fixed or definite composition.

Answer 28

True

Question 29

The chemical symbol of an element always starts with a small letter.

Answer 29

False

Question 30

Components of compounds can be separated through physical
means.

Answer 30

False

Question 31

Atoms that composed a compound are tightly held by chemical
bonds.

Answer 31

True

Question 32

The subscript added after the chemical symbol of an element
indicates its number of atoms.

Answer 32

True

Question 33

It is the simplest form of pure substances.

Answer 33

Element

Question 34

This substance cannot be separated into simpler forms through
ordinary chemical means.

Answer 34

Element

Question 35

This substance can be categorized as organic or inorganic.

Answer 35

Compound

Question 36

The three main groups of this substance are metals, nonmetals, and
metalloids

Answer 36

Element

Question 37

This substance can be broken down into simpler components.

Answer 37

Compound

Question 38

Anything that occupies space and has mass

Answer 38

Matter

Question 39

According to the change involve during the measurement of the property

Answer 39

Properties of matter

Question 40

According to the change involve during the measurement of the property

Answer 40

Properties of matter

Question 41

Readily observable and measurable without changing the matter composition

Answer 41

Physical properties

Question 42

Can only be seen when the chemical identify of material

Answer 42

Chemical properties

Question 43

Do not depend on the amount of matter

Answer 43

Intensive properties

Question 44

Depends on the amount of matter

Answer 44

Extensive properties