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SNC2D Chemistry Review (No Acids and Bases) Flashcards | StudBud
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SNC2D Chemistry Review (No Acids and Bases)
SNC2D Chemistry Review (No Acids and Bases)
50 terms
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Test Review Game
Flashcards
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Questions
50
Answers
1
T/F: Two atoms that share each other’s electrons will form a
covalent bond.
False
True
2
T/F: Carbon is a diatomic element.
true
false
3
Which of the following is the correct formula of diphorsphorus pentoxide?
P2O5
PO43-
N2O5
P5O2
4
T/F: In a chemical reaction, one or more substances changes into a different substance.
False
True
5
T/F: When the word "energy" is written on the right side of a chemical equation, E is released.
True
False
6
T/F: Ionic compounds are electrically neutral.
false
true
7
T/F: Diatomic elements
exist naturally as molecules of the same element bonded together.
true
false
8
T/F: A period is a horizontal row of elements.
True
False
9
In the correct order, what are the 3 types of chemical reactions demonstrated in this video?
decomposition, single displacement, synthesis
synthesis, double displacement, decomposition
synthesis, single displacement, decomposition
synthesis, decomposition, single displacement
10
Classify the following celebrity connection:
synthesis
decomposition
double displacement
single displacement
11
T/F: Liquid nitrogen boils at -196 degrees Celcius. This is a chemical property.
true
false
12
The formula for Cobalt (III) phosphide is...
CoP3
CoP
Co(PO4)3
CoPO4
13
The chemical formula for the compound shown is
PuPy
C3H7
N3H7
C3H8
14
T/F: Roman numerals are used in the naming of ionic compounds that contain multivalent metals.
false
true
15
If a strip of Mg reacts with O
2
gas, the mass of the resulting MgO will be __the mass of Mg.
less than
the same as
more than
It cannot be determined.
16
T/F: This image shows an ionic bond between two H atoms.
true
false
17
T/F: In the synthesis reaction A + BC → AC + B, A and B are metals.
False
True
18
The correct name for CuSO
4
is....
Copper (I) sulfate
Copper sulfide
Copper sulfate
Copper (II) sulfate
19
This image represents...
Ionic Bonding
Covalent Bonding
20
T/F: Elements in the same group have the same number of valence electrons.
False
True
21
How do you balance the following? NH
4
NO
3
→ N
2
O + H
2
O
It is already balanced.
Place a 2 in front of N2O
Place a 2 in front of NH4NO3
Place a 2 in front of H2O
22
Classify...
double displacement
synthesis
single displacement
decomposition
23
T/F: The chloride ion has the same electron configuration as argon.
False
True
24
T/F: Cations only displace anions during single displacement reactions.
True
False
25
T/F: Silver tarnishes in air. This is a chemical property.
true
false
26
Classify: Ammonium nitrate explodes forming nitrogen, water and nitrogen oxide.
double displacement
synthesis
decomposition
single displacement
27
T/F: Matter can be created but not destroyed.
False
True
28
T/F: This is a skeleton equation: H
2
(g) + Cl
2
(g) → HCl(g)
True
False
29
T/F: Rb is more reactive than K.
True
False
30
T/F: The period that an element is in will tell us how many orbits of electrons it has.
False
True
31
Classify: calcium carbonate yields calcium oxide + carbon dioxide
Single Displacement
Synthesis
Decomposition
Double displacement
32
This chemistry cartoon illustrates the attraction between
males and females.
ions in a covalent bond.
neutral atoms in a covalent bond.
ions in an ionic bond.
33
T/F: Most polyatomic ion names end in "-ide".
true
false
34
Classify...
synthesis
single displacement
double displacement
decomposition
35
T/F: Non-metals tend to lose electrons to become anions.
true
false
36
T/F: In ionic compounds, a prefix is used to indicate the number of each atom present.
false
true
37
T/F: Iodine is more reactive than bromine.
true
false
38
T/F: The number of protons in the nucleus of an atom is its atomic number.
True
False
39
T/F: Complete combustion of a hydrocarbon produces water, carbon dioxide and energy.
False
True
40
Classify: Hydrogen gas reacts explosively with chlorine gas to form hydrogen chloride.
synthesis
single displacement
decomposition
double displacement
41
Name the following: NO
2
mononitrogen dioxide
nitrogen dioxygen
nitrogen oxide
nitrogen dioxide
42
T/F: Atoms tend to gain or lose valence protons to achieve a stable configuration.
False
True
43
Which of the following is a synthesis reaction?
all of the reactions listed
the electrolysis of water
the rusting of an iron sheet
the formation of ice crystals on a window
44
T/F: Equations are balanced by changing the subscripts in the chemical formula of a compound.
true
false
45
T/F: In combustion reactions, a substance reacts with hydrogen gas.
true
false
46
Classify calcium iodide as an ionic or molecular compound.
Molecular
Ionic
47
The correct formula for calcium hydroxide is
CaOH2
Ca(OH)2
CaOH
CaH
48
T/F: A synthesis reaction is: A + BC→ AC + B
False
True
49
This compound is an example of a/an ______________ compound.
limited
ionic
molecular
needs improvement
50
T/F: A molecular compound is
a pure substance formed from two or more non-metals.
true
false
