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Chemistry: Classifying Matter Flashcards | StudBud
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Chemistry: Classifying Matter
Chemistry: Classifying Matter
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This quiz covers classifying matter as pure versus impure.
Flashcards
35 cards
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Questions
35
Answers
1
The following image is an example of?
A heterogeneous mixture
A compound
A homogeneous mixture
An element
2
What is the difference between an element and a compound?
Compounds are mixtures.
Only elements are pure substances.
Compounds are made of more than one type of atom.
Elements are made of more than one atom.
3
In a homogeneous mixture, the material has the same composition throughout.
False
True
4
An example of a pure substance would be?
concrete
air
carbon dioxide
Salt water
5
Atoms of different elements differ in the number of protons they have.
False
True
6
A compound is represented by its ________.
atomic number
chemical formula
number of atoms
number of protons
7
Stainless steel (composed of different metals) is an example of ________?
Element
Heterogeneous mixture
Homogeneous mixture
Compound
8
Table salt is an example of?
A compound
A heterogeneous mixture
An element
A homogeneous mixture
9
When two or more different elements are chemically combine, compounds are formed.
True
False
10
What is the structure of an Atom?
Protons and electrons are in the nucleus, while Neutrons are outside
Protons and Neutrons are in the nucleus, while electrons are outside
11
Are liquid water and water vapor the same compound?
no, they are elements
yes
no
yes, they are elements
12
Most materials we use and encounter daily are ________.
Compounds
Elements
Pure substances
Mixtures
13
Most elements on the Periodic Table are
liquids
metalloids
nonmetals
metals
14
What is an atom?
The building block of matter
The basic unit of energy
A type of matter
A type of energy
15
2 types of substancs are:
none of the above
protons and neutrons
heterogeneous and homogeneous
elements and compounds
16
In a solution, the substance present in the largest amount and does the dissolving is called the:
solvent
solute
sugar
solution
17
How many protons in 1 Aluminum atom
1
50 billion
13
26
18
Anything that has mass and takes up space
thoughts
plasma
matter
radio waves
19
What are the parts of the atom
futons, cons, deutrons
iPad, iPod, Iphone
Protons, Neutrons, electrons
Food, water shelter
20
A material that varies in composition called?
A mixture
A compound
An element
21
Air is an example of?
An element
A heterogeneous mixture
A homogeneous mixture
A compound
22
Which of the following is an example of an element?
C
A, B, and C
A
A and B
23
Electrons are not located in the nucleus of an atom
False
True
24
A homogeneous mixture is the same as a solution,
True
False
25
Which part of an atom has a + charge?
None have a positive charge
Electron
Neutron
Proton
26
Which of the following is an example of a compound?
b
c
d
a
27
The following image is an example of?
A homogeneous mixture
A compound
An element
A heterogeneous mixture
28
In a _______ mixture, the individual substances are not evenly mixed.
homogeneous
heterogeneous
29
Sea water is an example of?
A compound
A homogeneous mixture
A heterogeneous mixture
An element
30
Granite rock is an example of?
A homogeneous mixture
A compound
An element
A heterogeneous mixture
31
Which classification(s) of matter is(are) pure substances?
Elements
Compounds
Elements and mixtures
Elements and compounds
32
A substance that consists of only one type of atom is classified as what?
A heterogenous mixture
A homogenous mixture
A compound
An element
33
CO
2
has 2 Oxygen atoms
False
True
34
_______ can be separated by physical means.
a burnt toast
A mixture
A compound
an element
35
Which particle of an atom has a negative charge?
protons
croutons
neutrons
electrons
