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WorksheetsChemistry Review Atoms-Classifying Matter
Total questions: 41
Worksheet time: 1hrs 23mins
Which of the following correctly labels the atom in the picture?
a. proton b. neutron c. electron
a. electron b. neutron c. proton
a. electron b. proton c. neutron
a. neutron b. proton c. electron
The atomic number for oxygen is
15
16
8
O
What is the elemental symbol for oxygen?
O
X
Ox
Oxy
What is the atomic mass of carbon?
6
C
carbon
12
The elements on the periodic table are organized in columns called ________________ and rows called __________________________.
groups, periods
periods, groups
periods, families
groups, families
The elements shown in yellow are _____________.
metals
nonmetals
metalloids
nonmetalloids
The elements in blue are ________
metals
nonmetals
metalloids
nonmetalloids
Luster, high density, conductive, malleable, and ductile all describe _______________.
metals
nonmetals
metalloids
Nonconductor, brittle, and dull describe ________________.
metals
nonmetals
metalloids
Nonconductor, brittle, and dull describe ________________.
metals
nonmetals
metalloids
Compounds are made when two or more __________________ chemically combine.
elements
bonds
subatomic particles
chemicals
When elements, compounds, or elements and compounds physically combine, a(n)_____________________ is formed.
element
atom
mixture
density
The koolaid shown here is an example of a __________________ mixture
heterogeneous
homogenous
The pizza in this picture is an example of a _______________ mixture.
heterogeneous
homogeneous
Rusting is a ______________ property.
physical
chemical
Density, color, luster, and melting point are _________________ properties.
physical
chemical
What is the formula for density?
volume divided by mass
weight divided by volume
mass divided by volume
volume divided by weight
A fruit salad is an example of a ________________________.
heterogeneous mixtures
homogeneous mixtures
Which of the following describe two or more atoms that are chemically combined.
element
mixture
proton
compound
Which of the following is an example of a container filled with a pure substance rather than with a mixture?
A tire filled with air.
A jar filled with salt water.
A balloon filled with helium.
A glass filled with chocolate milk.
Which changes MUST happen for elements to become a compound?
elements are heated
a gas becomes a liquid
elements dissolve in water
chemical bonds form between atoms.
This image is a model of...
an element
a compound
a homogenous mixture
a heterogeneous mixture
How many protons are in magnesium?
13
12
24.305
24
This picture is a model of...
an element
a compound
a homogenious mixture
a heterogeneous mixture.
The image below is an example of
an atom
a molecule
a homogeneous mixture
a heterogeneous mixture
The image below is an example of
a homogeneous mixture
a compound
a heterogeneous mixture
an element
This tool to get volume. What is it?
triple beam balance
ruler
thermometer
graduate cylinder
Let's practice!
What is the volume of the blocks?
8 mL
10 mL
60 mL
5 mL
Valence electrons are found
in the innermost energy level of an atom
in the middle energy levels of an atom
in the outermost energy levels of an atom
What two types of atoms make a covalent bond?
2 Nonmetals
1 Metal and 1 Nonmetal
2 Metals
2 Noble Gases
When an atom loses an electron, it becomes a
positive ion
negative ion
neutral ion
neutral atom
This picture shows a(n)...
Ionic Bond
Covalent Bond
Both bonds
Neither bond
How many neutrons are in boron?
5
10.81
6
11
