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WorksheetsChemistry QTR 1 Review
Total questions: 86
Worksheet time: 2hrs 38mins
Name
Class
Date
1.
How many electrons should Hydrogen have around its Lewis dot model?
a)
1
b)
2
c)
7
d)
8
2.
How many valence electrons does Oxygen have?
a)
2
b)
4
c)
6
d)
8
3.
How many electrons should Flourine have around its Lewis dot model?
a)
5
b)
6
c)
7
d)
8
4.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
None of these
5.
How many electrons does potassium K contain? (click to see image)
a)
19
b)
39
c)
20
d)
40
6.
How many electrons should Lithium have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
7.
How many electrons should Carbon have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
8.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
9.
This is the correct dot diagram for sodium (Na)
a)
true
b)
false
10.
This is a correct dot diagram for fluorine (F)
a)
true
b)
false
11.
This is a correct dot diagram for oxygen (O)
a)
true
b)
false
12.
This could be the dot diagram of
a)
Ne
b)
H
c)
C
d)
F
13.
This could be the dot diagram of
a)
H
b)
O
c)
Si
d)
Ar
14.
This could be the dot diagram of
a)
O
b)
B
c)
Li
d)
Ne
15.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
16.
What atom matches this electron configuration?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
17.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
18.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
19.
What is the electron configuration of Ag?
a)
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d10
b)
[Kr] 5s2 4d9
c)
1s2 2s2 2p6 3s2 3p6 4s2 4p6 5s2 4d9
d)
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4d10 4p6 5d10 5s2 4d9
20.
What is this element?
1s22s22p63s2
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
21.
There are 4 different types of subshells s,p,d,f
a)
true
b)
false
22.
Identify the Electron Configuration for Aluminum (Al)
a)
1s2 2s2 2p6 3s2 3p1
b)
1s2 2s2 2p6 3s2 3p3
c)
1s2 2s2 2p6 3s2 4p1
23.
What is the electron configuration of calcium?
a)
2.8.8.2
b)
2.8.10
c)
20
d)
2.18.2
24.
What is the electron configuration of chlorine?
a)
17
b)
2.7
c)
2.8.7
d)
2.8.4
25.
Which element has the electron configuration of 2.7?
a)
Krypton
b)
Iodine
c)
Flourine
d)
Barium
26.
What is the electron configuration of beryllium?
a)
2.2
b)
2.4
c)
4
d)
6
27.
What is this element?
1s22s22p63s23p6
4s23d104p6
1s22s22p63s23p6
4s23d104p6
a)
Argon
b)
Krypton
c)
Selenium
d)
Bromide
28.
What is the electron configuration for this atom?
a)
1s22s22p6
b)
1s22s22p5
c)
1s22s22p3
d)
2s22p3
29.
a)
16
b)
32
c)
6
d)
4
30.
a)
17
b)
18
c)
7
d)
3
31.
a)
17
b)
18
c)
7
d)
3
32.
a)
4
b)
8
c)
18
d)
36
33.
A period is a ___ on the periodic table.
a)
column
b)
row
34.
Which element is the most chemically stable?
a)
beryllium
b)
nitrogen
c)
carbon
d)
neon
35.
____ is a column on the periodic table.
a)
group
b)
period
36.
A ___ is a good conductor of electricity.
a)
metal
b)
nonmetal
c)
metalloid
37.
A ___ is a poor conductor of electricity.
a)
metal
b)
nonmetal
c)
metalloid
38.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
12
39.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
40.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
41.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
42.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
43.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
44.
An atom has 5 protons and 7 neutrons. What is the mass number of the atom?
a)
5
b)
7
c)
2
d)
12
45.
A particle that moves around the nucleus is a(n) .
a)
proton
b)
ion
c)
neutron
d)
electron
46.
What carries no charge
a)
Neutrons
b)
Electrons
c)
Protons
47.
An atom has an atomic number of 30 and a mass number of 65. How many neutrons are in the atom?
a)
30
b)
65
c)
35
d)
95
48.
Which of the following is a positively charged subatomic particle found in the nucleus of an atom?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
49.
What is the mass number?
a)
the number of protons
b)
the sum of the number of protons and the number of neutrons in the nucleus of an atom
50.
What is the atomic number?
a)
number of protons
b)
number of neutrons
51.
a neutron has this charge
a)
negative
b)
positive
c)
neutral
52.
an electron has this charge
a)
positive
b)
negative
c)
neutral
53.
What do these isotopes of carbon all have in common?
a)
neutrons & mass number
b)
atomic number and neutrons
c)
atomic number and electrons
d)
protons, atomic number, and mass number
54.
Atoms of the same element must always have the same number of _________
a)
electrons
b)
neutrons
c)
isotopes
d)
protons
55.
The _________ of an element equals the number of protons in an atom of that element.
a)
mass number
b)
neutrons
c)
atomic number
d)
isotopes
56.
How many protons are in the element S?
a)
34
b)
16
c)
18
d)
50
57.
A measure of the size of an atom, and is generally defined as the distance from the nucleus to the outermost electron orbit
a)
chemical reactivity
b)
atomic radius
c)
energy levels
d)
orbit
58.
The minimum energy required to remove an electron from the ground state of an atom
a)
electron configuration
b)
energy levels
c)
ionization energy
d)
ionic bond
59.
The tendency of an atom to attract electrons and acquire a negative charge
a)
electronegativity
b)
charge
c)
bonding ability
d)
electron configuration
60.
The energies of electrons as they orbit the nucleus of an atom
a)
energy levels
b)
orbits
c)
shells
d)
electron area
61.
Vertical columns of elements (families) on the periodic table with similar valence electron configurations and similar properties
a)
groups
b)
periods
c)
quadrants
d)
rows
62.
An electron that resides in the outermost shell, or principal quantum level, of an atom
a)
periodic trend
b)
electron shell
c)
ionic radius
d)
valence electron
63.
Which has the greater EN:
Cl or Al?
Cl or Al?
a)
Cl
b)
Al
64.
Which has the greater EN:
N or C?
N or C?
a)
C
b)
N
65.
Which has the greater EN:
H or F?
H or F?
a)
H
b)
F
66.
Which of the following will have a larger radius than Zinc?
a)
Gallium
b)
Aluminum
c)
Magnesium
d)
Strontium
67.
As atoms of elements in group 16 are considered in order from top to bottom, the electronegativity of each successive element....
a)
decreases
b)
increases
c)
remains the same
d)
none of the above
68.
Which atom has the largest atomic radius?
a)
potassium
b)
rubidium
c)
francium
d)
cesium
69.
The element with the lowest electronegativity in Period 3 is -
a)
Na
b)
Cl
c)
Ar
d)
Mg
70.
The picture shows what trend?
a)
Electronegativity
b)
Atomic Number
c)
Atomic Radius
d)
Ionization
71.
What is the name of family I
a)
Alkaline Earth Metals
b)
Boron Family
c)
Alkali Metals
d)
Halogen Family
72.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
73.
Put these in increasing of electronegativity order:
F, N, B
F, N, B
a)
B < N < F
b)
B < F < N
c)
N < F < B
d)
F < N < B
74.
Which of the following elements has the highest ionization energy?
a)
sodium
b)
aluminum
c)
calcium
d)
phosphorus
75.
The element with the largest electronegativity in the halogens is -
a)
At
b)
F
c)
Cl
d)
Br
76.
Ionization energy is...
a)
the energy required to add an electron to a specific atom
b)
how much energy it takes to remove an electron from an atom
c)
the energy required to shield the outer electrons from the nucleus
d)
a measure of the ability of an atom to attract electrons
77.
Cs has a __________________ electronegativity than H
a)
lower
b)
higher
c)
the same
78.
From Be to Sr, the ionization energy
a)
increases
b)
decreases
c)
stays the same
79.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
d)
electron
80.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
d)
proton
81.
Has the symbol
a)
Alpha
b)
Beta
c)
Gamma
d)
neutron
82.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
Beta
c)
Gamma
d)
none
83.
Has a mass of 4 and a charge of +2
a)
Alpha
b)
Beta
c)
Gamma
d)
neutron
84.
Which type of nuclear radiation is being emitted here along with Rn
a)
alpha
b)
beta
c)
gamma
d)
none
85.
If Thorium-234 undergoes a beta decay, What element will be left in its place?
a)
Actinium-234
b)
Thorium-233
c)
Protactinium-234
d)
Radium-230
86.
If we start off with element 5024X after an gamma decay we get another element that looks like
a)
5224X
b)
5023X
c)
5024X
d)
5025X
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