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Naming and Writing Chemical Formulas, Bonding Flashcards | StudBud
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Naming and Writing Chemical Formulas, Bonding
Naming and Writing Chemical Formulas, Bonding
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1
What is the formula for ammonium oxide?
(NH4)2O
NH4O
(NH4)O4
NH3O2
2
What is the formula for pentane?
C3H8
C5H12
C4H10
C5H5
3
What shape is this structure?
Trigonal Pyramidal
Tetrahedral
Bent
Linear
4
What is the formula for hydrochloric acid?
HC
HCl
HCO3
HNO3
5
These can vary in their charge or oxidation state.
transition metals
metals
metalloids
nonmetals
6
What is the formula for lithium sulfite?
LiSO4
Li2SO3
Li2S
Li2SO4
7
What is the molecular geometry?
Linear
Tetrahedral
Bent
Trigonal Planar
8
What are the the diatomic molecules?
7 BrINClHOF pairs of atoms of the same elements
8 BRINCLHOF elements that are twice as big
7 BIKLHUF elements
6 Brinkmanship elements
9
The general formula of alkynes is
CnH2n+2
CnH2n-2
CnHn
CnH2n
10
How many bonds does hydrogen make in a Lewis Structure?
1
2
3
4
11
What is the formula for barium acetate?
BaNO3
Ba(C2H3O2)2
BaCH3COO
12
What is the formula for magnesium hydride?
Mg2OH
MgH2
MgH
Mg(OH)2
13
The molecular geometry of CH
3
Cl is:
Bent
Trigonal pyramid
Trigonal planar
Tetrahedral
14
What is the formula for phosphorus tribromide?
P3Br
P3Br3
PB3
PBr3
15
Does the carbon (C) atom in this
incorrect
Lewis structure have an octet?
No, it has 6 electrons
Yes, it has 2 electrons
Yes, it has 8 electrons
No, it has 4 electrons
16
what does the Lewis Structure help us to see?
The arrangement of the electrons in an atom
The arrangement of the electrons in a molecule
What the electrons look like for that atom
The electrons exact place around the atom
17
What is the general formula of alkanes?
CnH2n+1
CnH2n+2
C2nH2n+2
CnH2n
18
What is the formula for nitric acid?
H2NO2
HNO3
H3N
HNO2
19
What is the formula for carbon tetrachloride?
CCl
CCl2
CCl3
CCl4
20
Classify the molecular polarity: Br
2
non-polar
polar
21
In a Lewis Structure a single line (single bond) represents...
4 shared electrons
4 unshared electrons
2 shared electrons
2 unshared electrons
22
What is the formula for silver nitrate?
AgNO3
SiNO2
AgNO2
SiNO3
23
The molecular geometry of PCl
3
is:
Trigonal planar
Tetrahedral
Trigonal pyramid
Bent
24
Given hydrogen sulfide's Lewis structure, what should its shape be?
trigonal pyramid
bent
trigonal planar
tetrahedral
25
What is the formula for ammonium sulfate?
(NH4)2SO4
(NH4)2S
NH4SO4
NH4(SO4)4
26
What is the formula for lead (IV) chloride?
PbCl4
Pb2Cl4
Pb4Cl
PbClO3
27
What is the formula for hydrogen peroxide?
H2O2
H2O4
HO2
HO
28
What is the formula for sodium nitrate?
NaNO3
Na2NO3
Na(NO2)2
NaNO2
29
Why are alkenes different to alkanes?
alkanes have a double bond
they smell
alkenes have double bonds
they have a single bond
30
In a Lewis structure, a double bond (2 lines) represents...
2 unshared electrons
4 shared electrons
4 unshared electrons
2 shared electrons
31
If more than one ________ is needed in a formula, parentheses are used.
atom
polyatomic atom
chemical
nonmetal
32
The molecular geometry of NH
3
is:
Tetrahedral
Trigonal pyramid
Bent
Trigonal planar
33
Predict the shape of H
2
CO with the following Lewis Structure
Trigonal bipyramidal
Trigonal planar
tetrahedral
Trigonal pyramidal
34
What is the Lewis Dot Structure for HCN?
C
A
B
D
35
This Lewis dot structure for C
2
H
2
is wrong. Why?
It does not satisfy the octet rule
It isn't stable
It has the wrong number of valence electrons
There aren't enough hydrogen atoms
36
What is the formula for zinc oxide?
ZnO
ZNO
ZnO2
Zn2O
37
What is the formula for phosphoric acid?
H3P
H3PO2
H3PO4
HPO2
38
What is the formula for iron (II) phosphate?
Fe2(PO4)3
Fe2PO4
FePO4
Fe3(PO4)2
39
What is the molecular geometry?
Bent
Tetrahedral
Linear
Trigonal Planar
40
Alkanes are molecules with all ______ bonds.
Triple
Double
Single
Pi
41
Metals form ____________ ions.
negative
multiple
positive
polyatome
42
What is the formula for mercury (II) iodide?
HgI
McI2
MI
HgI2
43
What is the formula for dinitrogen monoxide?
N2O
NO2
N2O2
Ni2O
44
Alkynes are organic compounds that contain:
single bonds
triple bonds
double bonds
45
This is a Lewis dot structure for?
Polonium
Phosphorus
Platinum
Potassium
46
What is the formula for methane?
C2H8
CH4
C4H4
CH3
47
The molecular geometry of CBr
4
is:
Trigonal pyramid
Trigonal planer
Tetrahedral
linear
48
Alkynes do NOT
Contain oxygen atoms
Contain a triple bond
have fewer atomes than an alkane
49
Classify the molecular polarity: CH
3
Cl
non-polar
polar
50
Alkanes are non-polar
True
False
51
What is the formula for hydroiodic acid?
HI2
HI
HIO2
HIO3
52
What is the formula for potassium sufide?
KSO3
K2SO4
K2S
P2S2
53
What is a diatomic molecules?
Molecule of seven elements
a metal ion
Molecule made up of two atoms
two compounds
54
What is the formula for tin (IV) fluoride?
SnF4
SnFl4
TnF
TnF4
55
Given boron tribromide's Lewis structure, what should its shape be?
trigonal pyramid
bent
trigonal planar
tetrahedral
56
What is molecular geometry?
Linear
Trigonal Planar
Tetrahedral
Bent
57
Alkenes are organic compounds that contain:
triple bonds
single bonds
double bonds
58
Classify the molecular polarity: CS
2
non-polar
polar
59
What is the formula for calcium hydroxide?
CaOH
CaH2
CaHO2
Ca(OH)2
60
Oxidation numbers or charges are only written in chemical formulas as
superscripts
subscripts
Roman numerals
they are NEVER written in formulas
