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PSB Mid-Term Review
PSB Mid-Term Review
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Periodic Table Chemical Bonding
Flashcards
73 cards
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Practice quiz
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Host live
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Questions
73
Answers
1
How many dots are there in nitrogen's electron dot diagram?
14
5
15
7
2
What kind of bond occurs between Nitrogen and Chlorine?
Ionic
Polar
Hydrogen
Covalent
3
Which of the following is a chemical change?
Low melting point
Rusting
Boiling
Flammable
4
How many valence electrons are there for the anion O
2-
8
10
2
6
5
How many valence electrons are there in an atom of sulfur?
16
15
6
32
6
What MUST you have in order for an element to be oxygen?
atomic number of 8
mass number of 16
8 electrons
8 neutrons
7
Which of the following elements has the same number of valence electrons as calcium?
Aluminum
Chlorine
Potassium
Beryllium
8
How is U-235 different than U-238?
U-238 has three more protons and U-235
U-238 has three less neutrons than U-235
U-238 has a larger energy level than U-235
U-238 has three more neutrons than U-235
9
What kind of bond occurs when electrons are transferred?
Metallic
Covalent
Ionic
Hydrogen
10
What are atoms of the same element that have different number of neutrons called?
Isotopes
Ionic Bonds
Valence Electrons
Ions
11
Which block on the periodic table is uranium located?
f-block, Inner Transition
p-block, Halogens
d-block, Transition
s-block, Main Group
12
Which of the following has an ionic bond?
CO2
CCl4
CaF2
HCl
13
For isotope B-11, how many protons are there?
6
10
11
5
14
What is the symbol for an element with 29 protons and 27 electrons?
Co2+
Cu2+
Co2-
Cu2-
15
What part(s) of an atom make up most of an atom's mass?
Proton, Neutron
Just Proton
Neutron, Electron
Proton, Electron
16
Which block is copper located in?
d-block, Transition Metals
f-block, Inner Transition Metals
p-block, Nonmetals
s-block, Main Group
17
Which of the following is a compound?
C
CO
Br
Li
18
How do you calculate atomic number?
Electrons
Protons
Protons + Neutrons
Neutrons
19
Which of the following elements forms an anion?
Sodium
Neon
Boron
Chlorine
20
Which of the following is a chemical property?
Flammable
Low melting point
Boiling
Rusting
21
Where are neutrons located in an atom?
The atomic mass
The nucleus
The electron cloud
The protons
22
Which of the following is a physical property?
Low melting point
Boiling
Rusting
Flammable
23
How many protons are in the cation Na
1+
?
10
1
11
12
24
For the isotope Sc-45, what is the mass number?
10
45
24
21
25
What element is located in period 4, group 10?
Zirconium
Nickel
Lead
Titanium
26
For isotope F-22, how many neutrons are there?
9
13
22
11
27
For the isotope Sc-45, what is the atomic number?
10
45
21
24
28
Looking at the table, which compound has a melting point lower than water's boiling point?
Calcium Oxide
Not given on the table
Sodium Chloride
Barium Hydroxide
29
How many atoms of nitrogen are there in Cu(NO
3
)
2
?
6
3
2
1
30
What charge do cations have?
Either positive or negative
Negative
Positive
Neutral
31
How many atoms are in Al
2
(SO
4
)
3
?
17
10
3
12
32
Where are protons located in an atom?
The atomic mass
The electron cloud
The atomic number
The nucleus
33
If molecules of a substance spread, which of the following phase changes could have occurred?
Condensation
Freezing
Deposition
Vaporization
34
Looking at the table, what is the melting point of barium chloride?
Not given on the table
963°C
0°C
1560°C
35
For isotope U-238, what is the mass number?
146
238
92
119
36
Which block on the periodic table is copper located?
f-block, Inner Transition
d-block, Transition
p-block, Halogens
s-block, Main Group
37
According to the periodic table, what is the atomic mass of copper?
58.9
12.0
52.0
63.5
38
How many atoms are in Pb(SO
4
)
2
3
6
11
10
39
Which of the following is a physical change?
Rusting
Low melting point
Flammable
Boiling
40
Which of the following is the metallic character of boron and silicon?
Metalloid
Main Group Element
Transition Metal
Nonmetal
41
Which of the following is an element?
NaCl
SO4
Co
KI
42
Which of the following has a covalent bond?
LiCl
MgI2
CaCl2
CH4
43
How many atoms are in CO
2
?
1
3
2
4
44
Which of the following requires energy to be added?
Condensation
Melting
Deposition
Freezing
45
How many total electrons are there in an atom of sulfur?
32
15
16
6
46
Which of the following is an element?
Copper
Lithium Chloride
Calcium Iodide
Silver nitrate
47
Which of the following represents an anion?
14 protons, 14 neutrons, 14 electrons
13 protons, 13 neutrons, 12 electrons
13 protons, 13 neutrons, 14 electrons
11 protons, 12 neutrons, 11 electrons
48
What is the charge of electrons?
Varies
-1
+1
0
49
How many neutrons are there for the cation Mg
2+
?
10
8
2
12
50
Where are electrons located in an atom?
The nucleus
The atomic number
The atomic mass
The electron cloud
51
How many atoms of oxygen are present in H
2
SO
4
?
1
3
7
4
52
How do you calculate mass number?
Protons + neutrons
Protons + electrons
Protons - neturons
Electrons - neutrons
53
Besides groups, what are the columns on the periodic table called?
Periods
Families
Transition
Series
54
What family does iodine belong in?
Noble Gases
Halogens
Alkaline Earth Metals
Alkali Metals
55
Which group has the least reactive elements on the periodic table?
Group 18
Group 1
Group 2
Group 17
56
Which block on the periodic table is fluorine located?
p-block, Main Group
f-block, Inner Transition
s-block, Alkali Metals
d-block, Transition
57
What does the number of protons plus the number of neutrons tell you about an atom?
Mass number
Atomic number
Number of electrons
Charge
58
How many elements are in C
6
H
12
O
6
?
12
24
6
3
59
For the isotope boron-10, how many neutrons are there?
Not enough information
10
6
5
60
How many valence electrons does xenon (Xe) have?
18
8
54
6
61
What is the charge of neutrons?
Varies
-1
0
+1
62
How many elements are in H
2
SO
4
?
3
9
7
6
63
What is the charge of protons?
0
Varies
-1
+1
64
How many neutrons are in an atom of hydrogen-3
0
2
3
1
65
Any element that has 29 protons in every atom must...
be unstable
have a higher number of valence electrons
have 27 neutrons
be copper
66
What is the name of group 18?
Noble Gases
Alkali Metals
Alkaline Earth Metals
Halogens
67
If molecules of a substance condense, which of the following phase changes could have occurred?
Freezing
Vaporization
Sublimation
Melting
68
For the isotope nitrogen-13, how many neutrons are there?
Not enough information
6
13
7
69
What kind of bond is KCl?
Polar
Covalent
Hydrogen
Ionic
70
What kind of bond is CO
2
?
Polar
Ionic
Hydrogen
Covalent
71
Which of the following states of matter requires the removal of energy?
Melting
Sublimation
Freezing
Vaporization
72
What charge do anions have?
Neutral
Either positive or negative
Postive
Negative
73
Which of the following is an alkaline earth metal?
Neon
Potassium
Chlorine
Strontium
