Mixtures are made of _____

Elements and Compounds not chemically combined

Mixtures are made up of two or more...

elements or compounds not chemically bonded together.

What is a difference between compounds and mixtures?

Compounds have a fixed ratio, mixtures do not

Why do atoms tend to combine with other atoms instead of existing as other atoms?

They are not stable by themselves, Their valence shell is not full

Which is true about mixtures?

They can be separated physically.

The periodic table is organized

alphabetically, value to society, abundance on earth, atomic number

What is a difference between compounds and mixtures?

Mixtures can be easily separated using physical means.

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Physical Science Final Exam

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Questions 83

Answers

1
80% of the Periodic Table is made up of...
metals
metalloids
nonmetals
2
Mixtures are made of _____
Compunds chemically combined
Elements chemically combined
Elements and Compounds not chemically combined
Elements and Compounds chemically combined
3
Mixtures are made up of two or more...
compounds chemically bonded together.
elements chemically bonded together.
elements or compounds chemically bonded together.
elements or compounds not chemically bonded together.
4
All matter is made up of particles called atoms and what?
enzymes
elements
moles
molecules
5
Atoms of the same element always have the same number of _______
protons
electrons
neutrons
particles
6
How are elements, compounds, and mixtures all alike?
They can all be broken down by physical changes.
They are all found on the periodic table.
They are all pure substances.
They are all made of atoms.
7
Taste, textures, color, and odor are all ___________ of mixtures.
properties
differences
diagrams
substances
8
Does gases have mass?
What are you talking about
Yes
I dont know
No
9
The periodic table is arranged _______________.
by increasing atomic mass
alphabetically
by increasing atomic #
10
Groups on the periodic table are arranged
Horizontally
Vertically
11
Where are the least reactive elements on the periodic table?
Transition Metals
Alkali Metals
Nobel Gasses
Halogens
12
Elements in the same column in the periodic table have what in comon?
same number of neutrons
Same number of electrons
same number of protons
same atomic number
13
Name the state of matter!
Solid
Gas
Liquid
14
How many periods on the periodic table
3
7
6
5
15
Matter cannot be created or ?
blended
destroyed
taken away
added
16
This state of matter takes a container's shape.
Liquid and Solid
Gas and Solid
Gas and Liquid
Solid, Liquid, and Gas
17
Atomic mass is the total of:
protons & electrons
electrons & neutrons
protons & neutrons
electrons & protons
18
What are the two types of mixtures?
Burt and Ernie
Solutions and Colloids
Heterogeneous and Homogeneous
Elements and Compounds
19
What two parts of the atom are in the nucleus?
proton and electron
neutron and electron
proton and neutron
20
In which form of matter do molecules move fastest?
Gas
Liquid
Solid
21
All solutions are mixtures, but not all mixtures are solutions
True
False
22
What theory describes matter
Matter Theory
State of Matter
Particle Matter
Particle Theory
23
What is a difference between compounds and mixtures?
Compounds have a fixed ratio, mixtures do not
Mixtures have a higher boiling point than compounds.
Mixtures have a fixed ratio, compounds do not
Compounds are heterogenous, mixtures can be homogenous too
24
Why do atoms tend to combine with other atoms instead of existing as other atoms?
They are not stable by themselves
Their lonely
Their valence shell is not full
They are not emotionally stable
25
The periodic table contains 18 ______________.
groups
periods
rows
26
Rows on the periodic table are called
Families
Clusters
Groups
Periods
27
The amount of matter in an object is its ?
mass
size
weight
volume
28
Mixtures that are uniform are called ________ mixtures.
Heterogenous
Homogenous
Chemical
Unequal
29
Compounds and mixtures are the same
True
False
30
All matter is made up of.........
compounds
atoms
elements
molecules
31
T or F: Milk and juice are examples of mixtures.
False
True
32
Heterogenous mixtures are...
Evenly spread
Mixed
A type of pure substance
33
Do all matter have the same boiling, melting, and freezing points
No
Yes
34
What state of matter is this?
solid
liquid
gas
35
Which is true about mixtures?
They can be separated physically.
The best mixture is half lemonade, half iced tea.
They're always uniform, no matter which part you sample.
Their substances are combined in a fixed ratio.
36
Anything that has mass and volume is
matter
hot
a substance
energy
37
postitively charged particles are called
isotopes
ions
neutral atoms
38
The periodic table is organized
alphabetically
value to society
abundance on earth
atomic number
39
witch of these are not mixtures
coffie
water and water
milk and nuts
40
The elements in a column of the periodic table ____.
are in the same period
have similar properties
have similar chemical symbols
have the same atomic mass
41
An example of matter is....
The air
A thought
A sound
42
True or False: Atoms of the same element can gain or lose electrons, forming ions.
True
False
43
Name the state of matter!
Gas
Solid
Liquid
44
What is a difference between compounds and mixtures?
Mixtures can be easily separated using physical means.
Mixtures are compounds bonded together.
Compounds are made up of mixtures.
Compounds can be easily separated using physical means.
45
On the periodic table, what tells you the number of Protons and Electrons?
Atomic Weight
Groups
Atomic Number
Periods
46
what is the first element on the periodic table
neon
carbon
hydrogen
oxygen
47
how many elements are on the periodic table
105
93
118
130
48
What is a difference between elements and compounds?
All of the above
Compounds are made of multiple elements.
Elements are atoms from the periodic table.
Elements are the simplest form of matter.
49
Despite not being the most up-to-date model, whose model is useful for explaining energy levels in atoms?
Aristotle
Rutherford
Thomsen
Bohr
50
An abbreviation used by chemists to identify compounds quickly.
compound
matter
electron
chemical formula
51
When two or more elements chemically combine, what do they form?
Water
Mixture
Molecular element
Compound
52
Why are Chemical Bonds formed?
They don't
Atoms are unstable
Atoms have isotopes
Electrons are exchanged
53
What state of matter is this?
solid
liquid
gas
54
Periods in the periodic table are...
rows
columns
55
What is often called the 4th state of matter?
Magnet
Gas
liquid
Plasma
56
What is a difference between compounds and mixtures?
It's just complicated, okay?
Compounds separate chemically, mixtures can be separated physically
Compounds are made of mixtures.
Compounds separate physically, mixtures can separate chemically
57
What are states of matter?
solid, liquid, color
shape, temperature, gas
solid, liquid, gas
liquid, texture, gas
58
Why do elements combine to form compounds?
to form metals
to complete their valences
to conduct electricity
to form minerals
59
When mixtures form they...
keep their original properties.
chemically combine.
form new substances.
lose their original properties.
60
Columns on the periodic table refer to
families or groups
groups or clusters
clusters or families
61
A column on the periodic table is also know as a ________________
Group
Ally
Row
Period
62
In which form of matter do molecules move slowest?
Liquid
Solid
Gas
63
What state of matter has a shape?
Liquid
Gas
Solid
64
Name the state of matter!
Liquid
Solid
Gas
65
a positively charged ion is called
position
cation
neutral ion
anion
66
Heating makes the particles in matter of a subtance
stay the same
move more slowly
move faster
decrease speed
67
The elements that do not ordinarily form compounds are ______.
metals
elements in the carbon family
noble gases
halogens
68
In any element, the atoms are exactly alike.
False
True
69
An example of the Law of the Conservation of Matter is
a candle that has burned for 30 sec. weighs the same
a clay ball 5 cm long is rolled into a snake 10 cm long
some paper weighs less after it is burned
20 thin markers will fit in the same size box as 10 regular
70
Who left blank spaces on the periodic table believing scientists would later discover the missing elements?
Rutherford
Thomson
Mendeleev
Bohr
71
In science, all _____ can change or become modified with new discoveries.
knowledge
theories
reality
history
72
What is the smallest unit of matter?
molecule
element
crumb
atom
73
What is the current atomic model?
Bohr's Model
Quantum Mechanic Model
Atomic Theory Model
74
Most elements on the periodic table are classified as __________.
Nonmetals
Metals
Gases
Metalloids
75
What does the zig zag line on the periodic table do?
Separates left from right.
Niether
Separates metals from non metals.
76
What state of matter has particles tightly packed particles as shown in the picture?
Liquid
Solid
Gas
Plasma
77
What has mass and takes up space?
Chemistry
Volume
Matter
Mass
78
The Period Table of Elements is...
A list of tables made
A list of all the elements known to humans
A list of all the periods
A list of all natural things known to human
79
Mixtures and compounds are pure
False
True
80
How many elements are there in the Periodic Table?
117
118
119
120
81
What state of matter does NOT flow?
Gas
Solid
Liquid
82
Elements in the periodic table are listed in order of their ...
atomic number
proton number
mass number
electron number
83
What is the unit for measuring mass?
liter
meter
Kelvin
grams

Physical Science Final Exam Flashcards | StudBud