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Physical Science Midterm
Physical Science Midterm
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#Periodic Table #Review #Midterms
Flashcards
86 cards
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Practice quiz
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Questions
86
Answers
1
A combination of metals and nonmetals
metals
nonmetals
metalloids
Alkali Metals
2
_____ have a neutral charge and are located in the nucleus.
Electrons
Protons
Neutrons
3
The _________ variable is how it responds to the change made to the independent variable.
dependent
controlled
independent
4
_________ property is a characteristic that can be observed by the senses.
Chemical
Physical
5
D, da, dl is the abbrieviation for deci.
True
False
6
The green on the image is the ....
Alkaline Earth Metals
Boron family
Nitrogen family
Carbon family
7
The _________ variable are things that remain the same throughout the experiment.
controlled
independent
dependent
8
A _________ is a liquid that solutes dissolved in.
viscosity
solubility
solute
solvent
9
The atomic number is based on the number of protons and neutrons.
False
True
10
What is the property of Celsius?
heat
degrees
temperature
11
Noble Gases have a full outer shell, so they do not usually bond with other elements.
False
True
12
Atomic numbers for atoms ( + , -) by one as you move across the periodic table.
increase
decrease
13
The _____ ______ determines the number of protons and neutrons.
atomic mass
NH
atomic number
14
An (extrapolate / interpolate) is predicting data between two points on the graph.
interpolate
extrapolate
15
The green is known as the .........
Nitrogen family
Boron family
Alkali Earth Metals
Carbon family
16
A ______ are substances being dissolved.
solubility
solvent
NH
solute
17
The atom model that consisted of fire, earth, water and air was discovered by who?
Bohr
the Greek's
NH
the German's
18
____________ is the resistance of a material of breakage.
Flammabiltiy
Hardness
Malleability
Metals
19
(Metals / Nonmetals) are poor conductors of heat and electric currents.
Nonmetals
Metals
20
What happens if you change the number of electrons?
the charge changes
the isotope changes
the element changes
NH
21
The red group is known as the .....
Carbon family
Noble Gases
Nitrogen family
Boron family
22
The smallest indentifiable unit of an element is a(n) __________.
atom
element
base unit
23
Anything that has mass or takes up space
Space
Mass
Matter
24
What is the difference between an atom and an ionic compound?
you draw the dot structure for both
an i. compound had brackets and a charge, while atoms don't
An atom has brackets and a charge, while a i. compounds dont
you draw the Bohr Models
25
How many elements are there?
118
200
114
154
26
the smallest indentifiable unit of a compound
molecule
atom
matter
mass
27
Tending to be responsive or to react to a stimulus
malleability
viscosity
conductivity
reactivity
28
Mentos and Coke would be a .....
chemical reaction
physical reaction
29
What happens when you change the number of neutrons?
the element changes
the charge changes
the isotope changes
30
The yellow is known as the
Alkaline Earth Metals
Noble Gases
Halogens
Alkali Metals
31
The ________ variable is the one that is changed/controlled by the scientist
dependent
controlled
independent
32
Kilo-, Hecto-, Deka, ______, Deci-, Centi-, Milli-
Base Unit- Mass, Weight, Temperature
Base Unit- Liters, Mass, Temperature
Base Unit- Meters, Degrees, Time
Base Unit- Meters, Liters, Grams
33
The blue family in the image is known as the ...
NH
Carbon family.
Nitrogen family
Boron family
34
the same number of protons but different number of neutrons
electron
atomic mass
ion
isotope
35
Most elements on the periodic table are (metals / nonmetals).
Metals
Nonmetals
36
What is an ion?
the number of neutrons and protons
NH
the atomic mass number
the number of electrons around the nucleus
37
Information gained as a result of using one's senses is a(n) _______.
law
inference
theory
obseravtion
38
After you perform an experiment, what is the next step?
Analyze your results
check your hypothesis
form a conclusion
retest
39
What is the property of seconds?
minutes
distance
time
hours
40
What is similar between ionic compounds and atoms?
they have complete outer shells
Atoms have brackets and a charge, while i. compounds don't
They have dot structures in the middle
I. Compounds have brackets and a charge, while atoms don't
41
the horizontal rows on the periodic table
Period
Group
42
Substances that are easily distinguished (can be seperated with hands)
Heterogeneous Mixture
Homogeneous Mixture
43
What is the property of a gram?
mass
distance
meter
liter
44
Changes in color, production of gas, and the formation of precipitation result in a _?_ change.
Physcial
Chemical
45
Data that uses numbers is called ________ data.
Observation
Quantitive
Qualitative
Inference
46
What is the the property of a meter?
mass
liter
length
volume
47
The verticle columns on the periodic table (think: they look like a stick figure
family
)
groups
periods
48
An electron has a ______ charge.
Neutral
Positive
Negative
49
On an axis, the dependent variable is located where?
X-Axis
In the middle
Y-Axis
50
What is the charge based on?
the number of neutrons
the number of protons
the number of electrons
51
In science, variables stand for ....
numbers that cannot change.
numbers that can change.
52
Data that uses describing words and details is _______ data.
Inference
Observation
Quantative
Qualitative
53
Describes how well it dissolves into a liquid
Ductility
Solute
Solubility
Solvent
54
The green is known as the ...
Noble Gases
Carbon family
Boron family
Nitrogen family
55
Color, Oder, Mass, and Volume could be described as a(n) _________ property.
Chemical
Physcial
56
___________ is the ability to be drawn into a wire.
NH
Ductility
Conductility
Flammability
57
What happens if you change the number of protons?
the isotope changes
the charge changes
the element changes
58
What is an electron that is on the most outer layer?
valence electron
element
atom
59
What makes an ion different from an atom of the same element?
the number of protons
the number of neutrons
the number of atoms
the number of electrons
60
What is the property of a liter?
volume
grams
meter
mass
61
This relates the mass of an object to the object's volume.
Weight
Density
Volume
Mass
62
Where is a protons located?
around the Nucleus
in the Nucleus
63
SI is ........
a measurement system
a way to measure volume
a way to measure matter
64
Drinking energy drinks makes people more aggressive. (What is the control group?)
Agression
People who don't drink the energy drink
Energy Drink
People who drink the energy drink
65
A proton has a _________ charge.
positive
negative
neutral
66
Every sample of a pure substance has exactly the same compostition.
True
False
67
"Ask a Question" is the __ step of the scientific method.
4
1
2
3
68
Drinking energy drinks makes people more aggressive. (What is the dependent variable?)
people who don't drink the energy drink
people who drink the energy drink
energy drinks
agression
69
In a compund, the substances (can / cannot) be seperated easily.
can
cannot
70
In a mixture, the substances (can / cannot) be seperated.
cannot
can
71
Substances are evenly distributed throughout (cannot be seperated by hand)
Homogeneous Mixture
Heterogeneuos Mixture
72
How was the first periodic table arranged?
by charges
by atomic number
by atomic mass
73
A(n) _______ is an assumption based on an observation and experience.
law
inference
theory
observation
74
On an axis, the independent variable is located where?
In the Middle
Y- Axis
X- Axis
75
Protons and neutrons contribute (mass/ volume) to the atom.
mass
volume
76
What is the
average
atomic mass?
the exact number from the periodic table
the number of protons
the atomic mass rounded to the nearest tenth
77
________ is different materials will conduct heat and electricity differently.
Conductivity
Flammability
Viscosity
Ductility
78
______ is the ability of a material to be hammered or rolled into sheets.
metals
Conductivity
Malleability
Viscosity
79
Drinking energy drinks makes people more aggressive. (What is the Independent variable?)
Agression
People who don't drink the energy drinks.
Energy Drink
People who drink the energy drinks.
80
An (extrapolate / interpolate) is prediticting data not measured on the graph.
interpolate
extrapolate
81
What is the
highest
most reactive
metal
in the periodic table? (1 Valence Electron)
NH
Noble Gases
Alkali Metals
Akaline Earth Metals
82
The green family in the piture would be known as the.....
Noble Gases
Alkali Metals
Halogens
Alkaline Earth Metals
83
Honey is a good example of...
flammability
viscosity
ductility
reactivity
84
The blue is known as the ....
Noble Gases
Oxygen family
Halogens
Boron family
85
After you ask a question in the scientific method, what is the next step?
Conduct your experiment
create an experimental design
form a hypothesis
conduct research and gain background information
86
After you conduct research, what is the next step?
start your experiment
research data
form a hypothesis
