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CHM 101: Unit 2 SP 25 Flashcards | StudBud
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CHM 101: Unit 2 SP 25
CHM 101: Unit 2 SP 25
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A #chemistry quiz to review naming and Lewis structures to polarity
Flashcards
31 cards
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Questions
31
Answers
1
What is the formula for a gold atom that lost 3 electrons?
Au3-
Ag3-
Au3+
Ag3+
2
In a POLAR bond, valence electrons are shared _____ between two atoms.
unequally
evenly
3
Covalent compounds form between...
metal + polyatomic ion
metal + nonmetal
two nonmetals
two metals
4
What is the molecular geometry?
bent
tetrahedral
trigonal pyramidal
5
How many electrons are shown in the Lewis structure for SO
3
?
24
26
32
12
6
How many electron groups surround the center atom?
8
2
4
7
Which of the compounds below contains a Roman numeral in its
name
?
None of them
Ti3P
Li3P
both of them
8
Which of the compounds below contains a Roman numeral in its
formula
?
Li3P
Both of them
Ti3P
None of them
9
The Roman numeral tells us
the charge of each cation in the compound
the charge of fixed ions in the compound
how many times a d block cation appears in the formula
the charge of the compound
10
What is the molecular geometry?
bent
linear
tetrahedral
trigonal pyramidal
11
The bond between white and purple atoms is polar. Is the
molecule
polar?
no
yes
12
What is the bond angle?
120°
109.5°
180°
13
The formula for the hydrogen sulfate ion is
HSO4-
HSO3
HSO3-
HSO42-
14
Ionic bonds form by _________ electrons.
transferring
sharing
15
How many electrons could fit into sublevel
4d
?
5
6
4
10
16
Oxygen becomes an ion by
gaining 2 electrons
gaining 3 electrons
losing 2 electrons
losing 3 electrons
17
When writing an ionic
formula
your main concern is that the formula ...
is neutral
has a Roman numeral
18
When writing ionic formulas you ask yourself:
what are the charges of the ions?
is a Roman numeral needed?
19
Which of the compounds has a name that ends with
ide
?
AlP
AlPO5
AlPO4
AlPO3
20
Cu(OH)
2
is a/an _____ compound.
ionic
covalent
21
Covalent compounds are named using...
charges
quantity prefixes
22
The bond between white and purple atoms is polar. Is the
molecule
polar?
yes
no
23
Which atom has the configuration [Ne]3s
2
3p
4
Se
P
Ar
S
24
The electron dot symbol for oxygen has _____ dots.
6
8
2
16
25
Oxygen tends to make _____ covalent bonds
Zero
4
2
6
26
When writing an ionic name with a Roman numeral your main concern is that
the compound is neutral
the quantity prefixes are correct
27
What is the molecular geometry?
bent
trigonal pyramidal
tetrahedral
linear
28
Which element has 3 energy shells and 5 valence electrons?
F
N
S
P
29
What is the approximate bond angle?
180
109.5
90
30
Name the sublevels of the
third
energy level.
3s, 3p, 3d, 3f
1s, 2s, 3s, 3p, 3d
3s, 3p, 3d
1s, 2p, 3d
31
To find if a bond is polar or not we'll need to know the
number of electron groups
electronegativity difference
bond angle
