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Chemisty Adv: Midterm Review Flashcards | StudBud
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Chemisty Adv: Midterm Review
Chemisty Adv: Midterm Review
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1
Common name for HNO3
Lye
Nitric Acid
Hydrochloric Acid
Barium Hydroxide
2
Present in our bones for strength
Nitrogen
Phosphorus
Oxygen
Calicum
3
Gas which is poisonous, flammable, corrosive, and explosive
Hydrogen(H)
Boron(B)
Beryllium(Be)
Fluorine(F)
4
Metal that comes from the German word "Wolfram"
Silver
Mercury
Gold
Tungsten
5
The spaces on both axes don't have to be consistent
False
True
6
Used in computer chips
Aluminum
Copper
Iron
Silicon
7
Formula of Sand/Glass
SiO
H2SO4
SiO2
SiO4
8
Radioactive
Boron
Uranium
Phosphorus
Magnesium
9
Which is
NOT
needed in plants
Helium
Nitrogen
Potassium
Phosphorus
10
Common name for CH4
Methane
Sand
Propane
Salt
11
Formula of Propane
Ca(CO3)
C3H6
CH4
C3H8
12
Which is not a Sig-Fig rule
All non-zeroes are sig-figs
Trailing zeroes don't matter unless there's a decimal point (ex. 5.000)
Leading zeroes and trailing zeroes are NOT sig-figs
Leading zeroes don't matter unless there's a decimal point (ex. 00.3)
13
Which metal is USED for nerves
Sodium
Iron
Phosphorus
Potassium
14
Common name for Ca(CO3)
Coal
Water
Baking Soda
Chalk
15
Rustless metal
Gold
Tungsten
Silver
Iron
16
Highly reactive black powder
Boron(B)
Phosphorus(P)
Magnesium(Mg)
Uranium(U)
17
Which particle has the lowest mass/is the lightest
They all have the same mass
Electrons
Protons
Neutrons
18
Burns when exposed to water
Sodium(Na)
Hydrogen(H)
Helium(He)
Magnesium(Mg)
19
metal needed for nerve function
Iron(Fe)
Sodium(Na)
Silver(Ag)
Lead(Pb)
20
Gas needed for combustion
Neon(Ne)
Chlorine(Cl)
Oxygen(O)
Nitrogen(N)
21
Nonmetal used as a dissinfectant
Iodine
Sulfur
Boron
Chlorine
22
In graphs, you must label ___
Squares
Spaces
Axes
Lines that are graphed
23
Qualitative data is data with numbers
True
False
24
Metric unit of volume
Feet
Liters
Inches
Grams
25
Something is covalent if it contains a metal
True
False
26
Order of the Scientific method
Question, Hypothesis, Procedure, Conclusion, Data
Question, Hypothesis, Procedure, Data, Conclusion
Question, Procedure, Hypothesis, Data, Conclusion
Hypothesis, Question, Data, Procedure, Conclusion
27
Burns when exposed to air
Sulfur
Hydrogen
Phosphorus
Sodium
28
Metric unit of mass
Kilograms
Grams
Pounds
Liters
29
How many sig-figs is 700 dogs
1
3
Infinite
700
30
78% of our air
Hydrogen
Oxygen
Carbon
Nitrogen
31
How to find percentage error
Actual-meas/actual
actual x meas/ meas
actual x meas x meas x 100
meas-actual/actual
32
Metal that burns bright white when heated
Silicon
Magnesium
Gold
Silver
33
Neutrons have a neutral charge
False
True
34
What makes the blood red
Calcium
Phosphorus
Potassium
Iron
35
Formula of LYE
NaOH3
NaO3
NaOH
Na3
36
Metal liquid at room temp
Boron(B)
Uranium(U)
Gold(Au)
Mercury(Hg)
37
Which is
NOT
used as money
Gold(Au)
Copper(Cu)
Silver (Ag)
Aluminum(Al)
38
The conclusion decides whether the hypothesis was right
False
True
39
Makes up 98% of the universe and most common element
Hydrogen
Nitrogen
Oxygen
Carbon
40
Electrons have a neutral charge
False
True
41
Common name for H20
Ice
Water
Juice
Air
42
Organic chemistry is the study of ___
Oxygen
Nitrogen
Hydrogen
Carbon
43
21% of our air
Carbon
Hydrogen
Nitrogen
Oxygen
44
how to find error
Measurement1-Measurement2=
Actual-measurement=
Measurement-Actual=
Actual x Measurement=
45
Metal that rusts green
Tungsten
Zinc
Iron
Copper
46
Which is a type of carbon
Diamond
Coal
Chalk
Graphite
47
Sweet tasting but poisonous
Potassium(K)
Fluorine(F)
Lithium(Li)
Beryllium(Be)
48
Which are noble gases
Neon
Helium
Oxygen
Hydrogen
49
Metric unit of length
Inches
Meters
Feet
Kilometers
50
The hypothesis suggests an answer to a question
True
False
51
What kind of element doesn't combine chemically with other elements
Akaline metals
Gases
Noble Gases
Metalloids
52
Tarnishes instead of rusts
Iron
Silver
Gold
Copper
53
Characteristics of metals
Malleable
Conductive
All of the above
lustrous
54
Used as the first war gas and can dissolve cells
Chlorine
Helium
Phosphorus
Nitrogen
55
Needed for
animal
life
Carbon
Oxygen
Nitrogen
Helium
56
Protons have a positive charge
True
False
57
Present in the human body
Calcium
Iron
Potassium
All the above
