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WorksheetsStructure and Organization of Matter
Total questions: 76
Worksheet time: 1hrs 7mins
Name
Class
Date
1.
a)
Periods
b)
Groups
2.
a)
Periods
b)
Groups
3.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
4.
a)
energy levels
b)
valence electrons
c)
protons
d)
neutrons
5.
a)
Same group
b)
Same period
6.
a)
Group 1
b)
Group 17
c)
Group 2
d)
Group 18
7.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
8.
a)
Group 1
b)
Group 17
c)
Group 18
d)
Group 2
9.
a)
Metals
b)
Nonmetals
c)
Metalloids
10.
a)
Metals
b)
Nonmetals
c)
Metalloids
11.
a)
Metals
b)
Nonmetals
c)
Metalloids
12.
a)
Metals
b)
Nonmetals
c)
Metalloids
13.
a)
Metals
b)
Nonmetals
c)
Metalloids
14.
a)
Metals
b)
Nonmetals
c)
Metalloids
15.
a)
Metals
b)
Nonmetals
c)
Metalloids
16.
a)
Metals
b)
Nonmetals
c)
Metalloids
17.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons
18.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
19.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
20.
If an atom has 12 positively charged subatomic particles, which of the following must it also have to be considered a neutral atom?
a)
12 neutrons
b)
12 electrons
c)
12 protons
d)
24 protons and neutrons
21.
An atom has 10 protons, 15 neutrons and 10 electrons what is its mass number.
a)
20
b)
10
c)
5
d)
25
22.
An element with a mass number of 11 and an atomic number of 5 has how many neutrons?
a)
11
b)
5
c)
6
d)
16
23.
Which letter represents a proton?
a)
A
b)
B
c)
C
d)
D
24.
Which letter represents a neutron?
a)
A
b)
B
c)
C
d)
D
25.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
26.
Which letter represents the nucleus?
a)
A
b)
B
c)
D
d)
E
27.
What is the atomic mass of the atom pictured?
a)
9
b)
10
c)
18
d)
19
28.
What is the atomic number of the atom pictured?
a)
9
b)
10
c)
18
d)
19
29.
What is the element name of the atom pictured?
a)
Fluorine
b)
Neon
c)
Argon
d)
Potassium
30.
What does the Law of Conservation of Mass state?
a)
Matter cannot be gained or lost in a chemical reaction.
b)
Matter can only be lost in a chemical reaction.
c)
Matter can only be gained in a chemical reaction.
d)
Matter can be gained and lost in a chemical reaction.
31.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
32.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
33.
What is the total number of atoms present in 5Na3PO4
a)
5
b)
40
c)
55
d)
8
34.
How many Mn atoms are found in the following compound?
3Cr(MnO4)6
3Cr(MnO4)6
a)
3
b)
4
c)
6
d)
18
35.
What is the little number after an element in a chemical equation called.
Example: H2
Example: H2
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
36.
Is the following equation balanced?...
Al + O2 --> 2Al2O3
Al + O2 --> 2Al2O3
a)
Yes!
b)
No!
37.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
38.
Element or compound?
H2O
H2O
a)
Element
b)
Compound
39.
Element or compound?
O2
O2
a)
Element
b)
Compound
40.
What is the number before a chemical formula called?
Ex: 2H2 + O2 --> 2H2O
Ex: 2H2 + O2 --> 2H2O
a)
Coefficient
b)
Subscript
c)
Atom
d)
Equation
41.
How many aluminum atoms are in Al2(SO4)3?
a)
1
b)
2
c)
3
d)
4
42.
In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?
a)
H3PO4
b)
H2SO4
c)
HClO3
d)
H2O
43.
How many atoms are in the neurotransmitter serotonin? The formula for serotonin is C10H12N2O
a)
10
b)
20
c)
25
d)
23
44.
What information could a student determine from only the chemical formula of a protein?
a)
The color of the protein
b)
The number of molecules in each sequence of the protein
c)
The physical arrangement of atoms in the structure of the protein
d)
The number of atoms of each element in the protein
45.
Is the following equation balanced?
2C2H2 + 5O2 --> 4CO2 + 2H2O
2C2H2 + 5O2 --> 4CO2 + 2H2O
a)
yes
b)
no
46.
Is the following equation balanced?
4Fe + 3O2 --> 2Fe2O3
4Fe + 3O2 --> 2Fe2O3
a)
yes
b)
no
47.
Is the following reaction balanced?
NaHCO3 --> Na2CO3 + H2O + CO2
NaHCO3 --> Na2CO3 + H2O + CO2
a)
yes
b)
no
48.
Is the following reaction balanced?
2CH3OH + 3O2 --> 2CO2 + 4H2O
2CH3OH + 3O2 --> 2CO2 + 4H2O
a)
yes
b)
no
49.
Which of the following equations are correctly balanced?
a)
12CO2 +H2O --> C6H12O6 + O2
b)
CO2 + 9H2O --> C6H12O6 + O2
c)
CO2 + H2O --> 3C6H12O6 + O2
d)
6CO2 + 6H2O --> C6H12O6 + 6O2
50.
How many atoms of carbon (C) are in C6H12O6?
a)
3
b)
6
c)
12
d)
24
51.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
52.
How many Aluminum are in Al2O3?
a)
3
b)
2
c)
5
53.
How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl2 + H2
Mg + __HCl ---> MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
54.
A ___________ is an arrangement of elements in columns
a)
columns
b)
rows
c)
periodic table
d)
electron shell
55.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
56.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
57.
Which group of the periodic table is composed of inert (not reactive) gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
58.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
59.
Which element is not a metal?
a)
Li
b)
Re
c)
Al
d)
B
60.
The atoms along the staircase are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
61.
Which is a halogen?
a)
Helium
b)
Chlorine
c)
Oxygen
d)
Neptune
62.
Which is an alkali metal?
a)
Magnesium
b)
Iron
c)
Sodium
d)
Europium
63.
A horizontal row of elements in the periodic table.
a)
column
b)
group
c)
period
64.
Elements in a ..................have similar chemical properties.
a)
period
b)
group
c)
row
65.
The simplest substance is..?
a)
Carbon
b)
An element
c)
Water
d)
A simple compound
66.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
67.
A neutron has a charge of
a)
+2
b)
No charge
c)
-1
d)
+1
68.
How many protons are in Beryllium?
a)
4
b)
9
c)
5
d)
2
69.
What is the atomic mass of Neon?
a)
10
b)
20.18
c)
10.18
d)
30.18
70.
What is the atomic mass of Copper?
a)
63
b)
29
c)
34
d)
92
71.
How many neutrons are in a Gold atom?
a)
79
b)
196
c)
118
d)
275
72.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
73.
Which of the following has a full valence shell?
a)
Oxygen
b)
Neon
c)
Barium
d)
Carbon
74.
The majority of an atom's mass exists where?
a)
In the nucleus
b)
In the electron cloud
c)
In the space between the nucleus and the electrons
d)
In the neutrons
75.
How many protons are in this element?
a)
79
b)
196
c)
117
d)
Cannot be determined
76.
How many neutrons does the isotope of lithium have?
a)
8
b)
3
c)
4
d)
5
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