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Chemistry Final 164-167, 174-214 Flashcards | StudBud
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Chemistry Final 164-167, 174-214
Chemistry Final 164-167, 174-214
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1
Which of the following is the correct name for N
2
O
5
?
Nitrate oxide
nitrous oxide
Nitrogen dioxide
Dinitrogen pentoxide
2
What is the formula for sulfurous acid?
H2SO2
H2SO3
H2S
H2SO4
3
Aluminum is a group 3A metal. Which ion does Al typically form?
Al3-
Al5-
Al3+
Al5+
4
What type of compound is CuSO
4
?
Polyatomic covalent
binary molecular
monotomic ionic
Polyatomic ionic
5
Suppose you see a chemical formula with H as the cation. What do you know about it immediately?
It has a +1 charge
It is an acid
It is a polyatomic ionic compound
It is a base
6
Which of the following is a binary molecular compound?
BeHCO3
MgS
AgI
PCl5
7
Which of the following formulas represents a molecular compound ?
SO2
ZnO
Xe
BeF2
8
When of the following are produced when a base is dissolved in water?
hydroxide ions
ammonium ions
hydrogen ions
hydronium ions
9
Which of the following correctly represents an ion pair and te ionic compound the ions form?
Ca2-,F-, CaF2
Pb4+,O2-; Pb2O4
Ba2+, O2-; Ba2O2
Na+, Cl-; NaCl2
10
What is the correct formula for calcium dihydrogen phosphate?
Ca(H2PO4)2
Ca2H2PO4
CaH2PO4
Ca(H2HPO4)2
11
What is the correct formula for potassium sulfite?
K2SO3
KHSO4
K2SO4
KHSO3
12
Which of the following shows both the correct formula and correct name of an acid?
H3PO4, phosphoric acid
HI, iodic acid
HClO2, chloric acid
HNO2, hydronitrous acid
13
Sulfur hexafluoride is an example of a
Polyatomic compound
Polyatomic ion
Binary molecular
Monatomic ion
14
How are bases named
Like ionic compounds
Like molecular compounds
Like polyatomic ions
Like monatomic ions
15
What is the correct name for Sn3(PO4)2
Tin(II) phosphate
Tin (III) phosphate
Tin (IV) phosphate
Tritium diphosphate
16
Which of the following pairs of substances best shows the law of multiple proportions?
CaCl2 and CaBr2
H2 and O2
P2O5 and PH3
NO and NO2
17
What is the correct name for the compound CoCl
2
Cobalt(II) chlorate
Cobalt(I) chlorate
Cobalt(I) chloride
Cobalt(II) chloride
18
Which of the following is NOT a cation?
mercurous ion
Sulfate
Ca2+
iron(III) ion
19
What type of ions have the names ending in -ide?
Only anions
Only gaseous ions
Only metal ions
Only cations
20
What is the correct name for Sn
3
(PO
4
)
2
?
Tin(IV) phosphate
Tin(|||) phosphate
Tin(||) phosphate
Tritin diphosphate
21
In which one, are the formula of the ionic compound and the charge on the metal ion correct?
UCl5, U+
NiO, Ni+
IrS2, Ir2+
ThO2, Th4+
22
What is the ending for the names of all binary compounds, both ionic and molecular?
-ide
-ade
-ite
-ate
23
Which polyatomic ion forms a neutral compound when combined with group 1A monatomic in a 1:1?
phosphate
carbonate
ammonium
nitrate
24
Which of the following compounds contains the lead (II) ion?
PbO
PbCl4
Pb2S
Pb2O
25
Which field of science studies the composition and structure of matter?
Physics
Geology
Chemistry
Biology
26
Why are systematic names preferred over common names?
Common names come from the method used to get the compound
Common names do not provide information about chemical combo
Common names are assigned by the person who discovered it
Common names are not very descriptive
27
Which of the following correctly an ion pair and ionic compound the two ions form?
Fe3+, O2-; Fe2 O3
Sn4-, N3-; Sn4N3
Cr3+ , I- ; Crl
Cu2+, O2-; Cu2O2
28
What characteristic of metals makes the good electrical conductors?
Their crystal structures can be rearranged easily.
They have mobile valence electrons
They have mobile electrons
They have mobile protons
29
What is the basis of a metallic bond?
The neutralization of protons by electrons
The attraction between neutral metal atoms.
The attraction of oppositely charged ions
The attraction of metal ions to mobile electrons
30
Molecular compounds are usually...
Composed of positive and negative ions
Exceptions to the law of definite proportions
Composed of two of more transition elements
Composed of two or more non metallic elements
31
Which of the following is true about the composition of ionic compounds?
They are formed from two or more non metallic elements
They are composed of anions only
They are composed of cations only.
They are composed of anions and cations.
32
Which of the following is NOT a characteristic of most ionic compounds?
They have low melting points
They are composed of metallic and nonmetallic elements.
They are solids
When melted they conduct an electrical current
33
What is the formula for phosphoric acid?
HPO4
HPO2
H3PO4
H2PO3
34
What a the correct name for the N
3-
ion ?
Nitrogen ion
Nitride ion
Nitrate ion
Nitrate ion
35
Which set of chemical name and chemical formula for the same compound is correct?
Aluminum Flourate, AlF3
potassium chloride, K2Cl2
iron(II) oxide, Fe2O3
Tin (IV) bromide, SnBr4
36
In which of the following are the symbol and the name given correctly?
C2H3O2-:acetate; C2O4- : oxalate
PO33-:phosphate;PO43-:phoshite
OH-: hydroxide; O2-:oxide
NH4+: ammonia; hydride
37
Which of the following best describes an example of pure chemistr?
Studying chemicals containing carbon
Testing the effects of lower concentrations of adrugonhumans
Finding an antidote for a new strain of virus
Developing a cure for osteoporosis
38
When Group 2A elements form ions, they...
lose two protons
Gain two electrons
gain two protons
Lose two electrons
39
Select the correct formula for sulfur hexaflouride?
F6SO3
S2F6
F6S2
SF6
40
Which of the following statements is false?
Knowledge of chemistry allows the public to make decisions
Chemistry explains many aspects of nature
Knowledge helps prepare peolpe in soil science
Studying chem makes it so officials make correct choice(tec)
41
Which element, when combined with fluorine, would most likely form an ionic compound?
Phosphorus
Lithium
Chlorine
Carbon
42
Which set of chemical name and chemical formula for the same compound is correct?
Lithium carbonate, LiCo3
Ammonium sulfite, (NH4)2S
iron (III) phosphate, FePo4
Magnesium dichromate, MgCrO4
43
How are chemical formulas of binary ionic compounds generally written?
Cation on left, anion on right
Roman numeral first, then anion, then cation
Anion on left, cation on right
Subscripts first, then ions
44
Which of the following correctly shows a prefix used in naming binary moleculars with it #?
deca-, 7
heca-, 8
nona-, 9
Octa-, 4
45
In which of the following is the name and formula given correctly?
Barium nitrate, BaN
Sodium oxide, NaO
Stannic fluoride, SnF4
Cobaltous chloride, CoCl3
46
What does an -ite or -ate ending in an polyatomic ion mean?
Nitrogen is in the formula
Oxygen is in the formula
Bromine is in the formula
Sulfur is in the formula
47
Which of the following compounds contains the Mn
3+
ion?
MnS
MnBr2
Mn2O3
MnO
48
Which of the following would a chemist be most likely to study?
A leaf floating on water
A leaf changing color in autumn
A leaf being blown by the wind
A leaf being eaten by insects
49
What is the formula for hydrosulfuric acid?
HSO2
H2SO2
H2S
H2S2
50
What is the correct formula for barium chlorate?
BaCl2
Ba(ClO)2
Ba(ClO2)2
Ba(ClO3)2
