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Grade 11 Chemistry Smackdown Flashcards | StudBud
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Grade 11 Chemistry Smackdown
Grade 11 Chemistry Smackdown
66 terms
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StudBud Administration
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53 plays
Chemistry review for end of year. #chemistry #review
Flashcards
66 cards
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Practice quiz
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Host live
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Questions
66
Answers
1
Which of the following can be classified as heterogeneous?
Bag of MnMs
Air
Gasoline
Steel
2
Which of the following is a chemical change?
dissolving
oxidization
phase change
crushing
3
Fill in the blanks: atomic radius ___ along a period, and electronegativity ___ along a period
increases, decreases
decreases, decreases
increases, increases
decreases, increases
4
What is the formula of iron(III) oxide?
FeO
Fe3O2
FeO2
Fe2O3
5
Which is NOT a property of metals?
High melting point
Brittle
Malleable
Good conductors of electricity
6
What is the SI unit for mass?
liter
kilograms
meter
pounds
7
The number of neutrons + the number of protons tells us what about the atom?
identity
atomic mass
number of electrons
atomic number
8
Which element will gain an electrons to become an ion?
Rb
Mg
Ga
S
9
Light is emitted when...
an electron goes from ground state to excited state
when a proton goes from the excited state to ground state
an electron goes from an excited state to ground state
when a proton goes from ground state to an excited state
10
What is the correct noble gas configuration for silicon?
[Ar]3s23p4
[Ar]3s23p2
[Ne]3s23p4
[Ne]3s23p2
11
Calculate using significant figures: 52.03 x 0.041 =
2
2.1
2.133
2.13
12
What are the correct coefficients to balance this equation? C
2
H
6
+O
2
→ CO
2
+ H
2
O
2,1,2,3
4,6,8,12
2,3,4,6
2,3,2,3
13
How many milliliters are in this graduated cylinder?
36.7
37
36
36.75
14
What is the VSEPR shape of carbon dioxide (CO
2
)?
bent
linear
triganal planar
tetrahedral
15
What products are formed from a reaction between an acid and a base?
Water and carbon dioxide
Salt and hydrogen gas
Salt and water
Hydrogen gas and oxygen gas
16
Which of the following elements has 5 valence electrons?
Arsenic
Potassium
Aluminum
Krypton
17
Which of the following are
NOT
examples of a physical property?
color
density
boiling point
pH
18
Which of the following is an exothermic process?
freezing
melting
sublimation
boiling
19
How many electrons are in xenon?
54
77
185
131
20
What is the VSEPR shape of methane?
Pyramidal
Tetrahedral
Bent
Trigonal planar
21
Which of the following is a liquid at room temperature?
F
Kr
Hg
Au
22
Describe the picture as either accurate, precise, both, or neither.
Both
Neither
Accurate but not precise
precise but not accurate
23
Which sub-level can hold 10 electrons?
f
d
s
p
24
How many protons are in an element of cobalt?
54
32
27
12
25
What is the correct formula for cobalt (II) hydroxide?
Co2OH
CoOH2
CH2
Co(OH)2
26
What is ionisation energy?
tendency of an atom to attract a bonding pair of electrons
a measure of a compound's ability to conduct electricity
energy change when an e- is added to a gaseous atom
energy required to remove an electron from a gaseous atom
27
How many electrons are in a double bond?
2
1
8
4
28
Which of the following has a larger atomic radius?
K
Ca
Rb
Sr
29
Which of the following is the largest unit of measure?
meter
decimeter
dekameter
kilometer
30
Which element has the electron configuration 1s
2
2s
2
2p
6
3s
1
?
lithium
sodium
magnesium
potassium
31
Which rule states that e
-
must fill the lower energy sub-levels before higher energy orbitals?
Hund's Rule
Ms. Nichols says so
Aufbau Principle
Pauli's Exclusion Principle
32
Which of the following is a compound?
Zirconium
Water
Bromine
Arsenic
33
Which of the following are isotopes?
Co-56 & Cu-56
Pb-224 & Sb-224
N-14 & O-14
C-12 & C-14
34
How many sub-levels are there in the 4th energy level?
8
4
3
2
35
Chemical equations must be balanced because....
Law of Definite Proportions
Chemistry is hard
Law of Conservation of Matter
My teacher wants to make my life difficult
36
Is the time it takes you to get to class a quantitative or qualitative measurement?
quantitative
qualitative
37
What is the difference between isotopes?
# of protons
# of electrons
# of neutrons
38
What is
NOT
part of the scientific method?
Draw a conclusion
Change my data to fit my hypothesis
Formulate a Hypothesis
Make observations
39
What is the oxidation number (valency) of a boron atom?
+13
+5
-3
+3
40
Which of the following will have the highest boiling point?
BrCl
Water
NaCl
Ne
41
Which of the following has a polar covalent bond?
CH4
MgBr
O2
H2O
42
What color has the smallest wavelength?
yellow
orange
blue
violet
43
What is Heisenberg'suncertainty principle?
Electrons fill orbitals in subshells singly before doubling
Electrons orbiting atoms fill the lowest energy levels first
We can't know both the position and momentum of an electron
You shall not bear false witness against your neighbour
44
Which of the following is a chemical change?
The enzyme lipase breaking down fatty acids in food
Melting butter for popcorn
Separating salt from water through evaporation of sea water
Mixing lemonade powder into water
45
How many electrons can be in one S orbital?
10
1
6
2
46
Which of the following will dissolve in water?
Wax
Styrofoam
Oil
Sugar
47
What is the name of ZnSO
4
?
Zinc sulfur oxide
Zinc sulfide
Zincatron
Zinc sulfate
48
What is the formula for potassium nitrate?
KN3O2
KNO3
K2NO
KNO2
49
How many significant digits does 0.08705000 have?
7
6
9
3
50
Which of the following giant covalent networks conducts electricity?
Graphite
Diamond
Sand
Cellulose
51
What is chemistry?
The class I am in right now
Branch of Science dealing with the interactions of matter
My favorite subject ever!
All of the answers
52
Sally decides to start a fire in her fireplace. The firewood is undergoing a....
chemical change
physical change
chemical property
physical property
53
What is the density of an object that has a mass of 4.5 grams and a volume of 12 cm
3
?
54 g/cm3
2.7 g/cm3
0.38 g/cm3
54
A negatively charged ion is called...
An anion
A negion
Sad
A cation
55
Which of the following is NOT a property of covalent compounds?
Low boiling point
Not conductive
Hard
Low melting point
56
What products are formed from a combustion reaction?
Salt and hydrogen gas
Water and carbon dioxide
Salt and water
Hydrogen gas and oxygen gas
57
Alkali metals will gain/lose how many electrons to become a noble gas?
gain 1 electron
lose 2 electrons
gain 2 electrons
lose 1 electron
58
Which solution will contain the strongest London dispersion forces?
Pentane
2-methylbutane
2,2-dimethylpropane
Butane
59
A balloon taken to a higher altitude will...
Shrink
Change colour
Expand
Pop
60
Which of the following are in the nucleus?
proton and neutron
electron
proton
neutron
61
Which of the following is a polar covalent bond?
H-F
K-Cl
C=C
C-H
62
Which laboratory method should be used to separate water and alcohol?
Evaporation
Separating funnel
Fractional distillation
Filtration
63
Which of the following describes a Group 18 element?
Noble Gas
Alkali Metal
Alkaline Earth Metal
Halogen
64
What products are formed from the reaction of a metal and acid?
Salt and water
Hydrogen gas and oxygen gas
Salt and hydrogen gas
Water and carbon dioxide
65
What is the smallest particle of an element that retains the property of that element?
proton
neutron
atom
electron
66
Does taking notes help improve your score on your test? What would the dependent variable be?
whether or not you like your teacher
taking notes
grade on the test
number of students
