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WorksheetsUnit 8: Chemistry
Total questions: 47
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
Most elements on the periodic table are
a)
non-metals
b)
metalloids
c)
metals
2.
Each vertical column on the periodic table is called a
a)
period
b)
group
c)
row
3.
Substance made of only one type of atom that cannot be broken down by ordinary means is
a)
element
b)
particle
c)
compound
d)
molecule
4.
Which particle is not located in the nucleus of an atom?
a)
proton
b)
electron
c)
neutron
5.
In an atom, what forms a cloud around the nucleus?
a)
electrons
b)
protons
c)
neutrons
d)
positive particles
6.
Copper is a transition metal found in the 11th column of the periodic table. What statement is true about copper and the three other elements in that column?
a)
all four elements are non-reactive
b)
all four elements are in the same period
c)
all four elements have the same number of protons
d)
all four elements have similar chemical properties
7.
Elements that are semiconductors are called
a)
metals
b)
metalloids
c)
non-metals
8.
Elements that are shiny and good conductors of heat and electricity are
a)
metalloids
b)
non-metals
c)
metals
9.
Fluorine, Chlorine, Oxygen and Krypton are all this type of elements.
a)
metals
b)
non-metals
c)
metalloids
10.
Why must chemical equations be balanced?
a)
Law of Conservation of Energy
b)
Law of Conservation of Matter
c)
Law of Conservation of Motion
11.
Which group on the periodic table is the most stable?
a)
Noble Gases
b)
Halogens
c)
Alkali Metals
d)
Transition Metals
12.
Is the following equation balanced?
HCl + 2 Na → 2 NaCl + H2
HCl + 2 Na → 2 NaCl + H2
a)
balanced
b)
not balanced
13.
Is the following equation balanced?
CH4 + 2 O2 → CO2 + 2 H2O
CH4 + 2 O2 → CO2 + 2 H2O
a)
balanced
b)
not balanced
14.
What would this picture be classified as?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
15.
What would this picture be classified as?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
16.
What would this picture be classified as?
a)
elements
b)
compound
c)
mixture of elements
d)
mixture of compounds
17.
What would this picture be classified as?
a)
elements
b)
compound
c)
mixture of elements
d)
mixture of compounds
18.
What would this picture be classified as?
a)
elements
b)
compound
c)
mixture of elements
d)
mixture of compounds
19.
Which letter in the element box shows the chemical symbol?
a)
a
b)
b
c)
c
d)
d
20.
Which letter in the element box shows the atomic number?
a)
a
b)
b
c)
c
d)
d
21.
Which letter in the element box shows the atomic mass?
a)
a
b)
b
c)
c
d)
d
22.
How many protons does this element have?
a)
18
b)
40
c)
21
d)
9
23.
Which of these elements are the most similar in their properties?
a)
K and Rb
b)
K and Ca
c)
Rb and Sr
24.
Which of these elements are the most similar in their properties?
a)
Ca and K
b)
Sc and V
c)
Zr and Hf
25.
Which of these elements are in the same period?
a)
V and Nb
b)
Y and Zr
c)
Ba and Ca
26.
Which of these elements are the most similar in their properties?
a)
F and Cl
b)
Cl and Ar
c)
Se and Br
27.
Which of the following elements is a metalloid?
a)
Br
b)
Ne
c)
Si
28.
Use the Periodic Table to choose the best answer.
What is the atomic number of beryllium?
What is the atomic number of beryllium?
a)
4
b)
9
c)
10
d)
5
29.
What is the symbol for molybdenum
a)
M
b)
Mb
c)
MO
d)
Mo
30.
What is the atomic mass of bromine?
a)
35
b)
79
c)
80
d)
45
31.
What type of element is mercury?
a)
metalloid
b)
metal
c)
nonmetal
32.
How many protons does Xenon have?
a)
54
b)
131
c)
132
d)
77
33.
How many electrons does fluorine have?
a)
9
b)
18
c)
19
d)
10
34.
How many neutrons does iodine have?
a)
53
b)
126
c)
127
d)
74
35.
What element is pictured?
a)
nitrogen
b)
carbon
c)
oxygen
36.
Which circle contains elements that are the most similar in properties to each other?
a)
a
b)
b
c)
c
37.
Based on its location, which shaded element above is a metal?
a)
Au
b)
Sb
c)
Ne
38.
Based on its location, which shaded element above is a nonmetal?
a)
Au
b)
Sb
c)
Ne
39.
Based on its location, which shaded element above is a metalloid?
a)
Au
b)
Sb
c)
Ne
40.
Use a periodic table to determine the answer.
Which element is in group 1?
Which element is in group 1?
a)
Sodium
b)
Calcium
c)
Aluminum
d)
Oxygen
41.
Use a periodic table to determine the answer.
Which element has the lowest mass in period 5?
Which element has the lowest mass in period 5?
a)
Sodium
b)
Rubidium
c)
Aluminum
d)
Oxygen
42.
Use a periodic table to determine the answer.
Which element is in the Boron group and 14 neutrons?
Which element is in the Boron group and 14 neutrons?
a)
Sodium
b)
Rubidium
c)
Aluminum
d)
Oxygen
43.
Use a periodic table to determine the answer.
Which element is in group 16 and has an atomic mass of 16?
Which element is in group 16 and has an atomic mass of 16?
a)
Sodium
b)
Rubidium
c)
Aluminum
d)
Oxygen
44.
Use a periodic table to determine the answer.
Which is a noble gas and has 10 protons?
Which is a noble gas and has 10 protons?
a)
Argon
b)
Nickel
c)
Magnesium
d)
Neon
45.
Use a periodic table to determine the answer.
Which is a noble gas and has 22 neutrons?
Which is a noble gas and has 22 neutrons?
a)
Argon
b)
Nickel
c)
Magnesium
d)
Neon
46.
Use a periodic table to determine the answer.
Which is a alkaline earth metal and has 12 electrons?
Which is a alkaline earth metal and has 12 electrons?
a)
Argon
b)
Nickel
c)
Magnesium
d)
Neon
47.
Use a periodic table to determine the answer.
Which is a transition metal and 31 neutrons?
Which is a transition metal and 31 neutrons?
a)
Argon
b)
Nickel
c)
Magnesium
d)
Neon
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