Mixtures are made up of two or more...

elements or compounds not chemically bonded together.

The periodic table is organized

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

When mixtures form they...

keep their original properties.

What is a difference between compounds and mixtures?

Mixtures can be easily separated using physical means.

Mixtures are made of _____

Elements and Compounds not chemically combined

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Physical Science Final Exam

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Questions 83

Answers

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

Physical Science Final Exam Flashcards | StudBud