WorksheetsEOC- Practice Test for Semester 1 final
Total questions: 60
Worksheet time: 30mins
Name
Class
Date
1.
You are heating a piece of glass and now want to pick it up. You should ____________.
a)
use a rag or paper towel
b)
pick up the end that looks cooler
c)
use tongs
d)
pour cold water on it.
2.
Personal eyeglasses provide as much protection as _____________.
a)
a face shield
b)
safety glasses
c)
splash-proof chemical goggles
d)
none of the others
3.
The proper name for the following lab tool is a ________.
a)
beaker
b)
Erlenmeyer flask
c)
graduated cylinde
d)
test tube
4.
The proper name for the following lab tool is a _________.
a)
beaker
b)
Erlenmeyer flask
c)
graduated cylinder
d)
test tube
5.
The proper name for the following lab tool is a _________.
a)
beaker
b)
Erlenmeyer Flask
c)
graduate cylinder
d)
test Tube
6.
A(n) ________ is a description based on one of the five senses, while a(n)_________ is a statement based on interpretation of facts.
a)
inference, observation
b)
observation, precision
c)
precision, inference
d)
observation, inference
7.
Sally says that the reaction product is clear and colorless. This is a(n)____.
a)
inference
b)
quantitative measurement
c)
observation
d)
hypothesis
8.
Sally thinks the reason why the reaction turned clear is because the salt dissolved in water. This is a(n) ____________.
a)
inference
b)
quantitative measurement
c)
observation
d)
hypothesis
9.
Which lab tool would best measure the mass of an object?
a)
graduated cylinder
b)
metric ruler
c)
hot plate
d)
electronic balance
10.
10. Which lab tool would best measure the volume of a solution?
a)
graduated cylinder
b)
metric ruler
c)
hot plate
d)
electronic balance
11.
In chemistry class, what unit would you use if you took the mass of 30mL of water?
a)
meters
b)
liters
c)
grams
d)
milliliters
12.
In chemistry class, what unit would be most appropriate to measure the length of a pencil? .
a)
meters
b)
liters
c)
grams
d)
centimeters
13.
. What is the correct measurement shown in the picture to the right?
a)
95 mL
b)
10 mL
c)
9.6 mL
d)
96 m
14.
You want to measure the length of a cube to find the density. Which lab tool will you use?
a)
Metric ruler
b)
Beaker
c)
Graduated cylinder
d)
Thermometer
15.
. Use the displacement method to find the volume of the toy fish?
a)
38mL
b)
30.8cm3
c)
6cm3
d)
28cm3
16.
What is the density of an object that has the dimensions of 4 cm by 2 cm by 3 cm and a mass of 120 g?
a)
13.33 g/cm
b)
.075 g/cm2
c)
5 g/cm3
d)
.2 g/cm3
17.
What is the density of a solution having a volume of 25.0 mL and a mass of 8.20 g? a. b. c. d.
a)
205 g/mL
b)
0.328 g/mL
c)
3.05 g/mL
d)
33.2 g/mL
18.
Which is the best definition of matter?
a)
Matter has mass
b)
Matter has volume
c)
Matter has mass and volume
d)
Matter has neither mass nor volume
19.
Which is the best definition of an element?
a)
The smallest particle of an atom
b)
The smallest piece of matter, contains only one kind of atom
c)
Formed from different molecules and compounds
d)
Formed when two or more different atoms are bonded together.
20.
Which of the following is the best definition of a molecule?
a)
A pure substance made of only one type of atom
b)
A mixture of two or more elements
c)
A mixture of two or more atoms
d)
Two or more atoms bonded together
21.
Which of the following is a non- example of matter?
a)
Oxygen
b)
Heat
c)
Gold
d)
Water
22.
Which of the following is an example of matter?
a)
Feelings
b)
Light
c)
Salt
d)
Shadows
23.
Which of the following pictures is the best representation of ONLY atoms?
a)
A
b)
B
c)
C
d)
D
24.
Which of the following pictures is the best representation of a compound?
a)
A
b)
B
c)
C
d)
D
25.
Which of the following pictures is the best representation of mixture?
a)
A
b)
B
c)
C
d)
D
26.
Which of the following is the correct symbol for Bromine? n
a)
Ba
b)
B
c)
Br
d)
Bn
27.
Anything that you observe that does not alter the chemical makeup of a substance is known as a ___
a)
chemical property
b)
physical property
c)
observation
d)
density
28.
Iron reacting with oxygen to form rust is describing a _______________________.
a)
chemical property
b)
physical property
c)
neutral property
d)
law of conservation of mass
29.
Oxygen is a colorless, odorless gas is describing a ________ ___________.
a)
chemical property
b)
physical property
c)
neutral property
d)
law of Conservation of Mass
30.
How many hydrogen (H) atoms are in the compound CH4?
a)
1
b)
2
c)
4
d)
5
31.
How many Oxygen (O) atoms are in the compound Al2(CO3)3?
a)
2
b)
3
c)
6
d)
9
32.
Which characteristic can be associated to the charge of Proton?
a)
In the clud electron
b)
In the Nucleous
c)
Neutral
d)
Positive charge
33.
Which characteristic can be associated to the location of Neutrons?
a)
In the clud electron
b)
In the Nucleous
c)
Neutral
d)
Positive charge
34.
Which characteristic can be associated to the location of electrons?
a)
In the electron cloud
b)
In the Nucleous
c)
Neutral
d)
Positive charge
35.
How many protons are in a neutral atom of Iron?
a)
8
b)
26
c)
55.845
d)
56
36.
How many electrons are in a neutral atom of Chlorine?
a)
7
b)
17
c)
79.904
d)
80
37.
Elements are arranged in the periodic table by _______________.
a)
atomic mass
b)
atomic number
c)
number of electrons
d)
number of neutrons
38.
Which of the following elements are in the same group?
a)
Lithium and beryllium
b)
Sodium and potassium
c)
Cesium and manganese
d)
Nitrogen and chlorine
39.
Which letter in the diagram best shows a period?
a)
A
b)
B
c)
C
d)
D
40.
Which letter in the diagram best shows a group?
a)
A
b)
B
c)
C
d)
D
41.
The correct definition of a valence electron is________________.
a)
all the electrons in an atom
b)
the electrons in the innermost energy level of an atom
c)
the electrons in the outermost energy level of an atom
d)
the electrons in the orbitals of an atom
42.
What element will have similar properties to sulfur?
a)
Germanium
b)
Lithium
c)
Aluminum
d)
Oxygen
43.
Which element will have the same number of energy levels as sodium?
a)
Phosphorous
b)
Cesium
c)
Hydrogen
d)
Neon
44.
Which element will have the same number of valence electrons as beryllium?
a)
Lithium
b)
Magnesium
c)
Boron
d)
Aluminum
45.
What element is represented by the Bohr model to the right?
a)
Magnesium
b)
Oxygen
c)
Sodium
d)
Potassium
46.
What element is represented by the Bohr model to the right?
a)
Fluorine
b)
Chlorine
c)
Oxygen
d)
Nitrogen
47.
The element sodium is ...
a)
Metal
b)
No-Metal
48.
The element hydrogen is ...
a)
Metal
b)
No-Metal
49.
what kind of element conducts electricity...
a)
Metal
b)
No-Metal
50.
what kind of element has luster...
a)
Metal
b)
No-Metal
51.
Which of the following is the correct definition of an anion?
a)
A negative ion due to loss of electrons.
b)
A positive ion due to loss of electrons
c)
A negative ion due to a gain in electrons.
d)
A positive ion due to a gain in electrons.
52.
Which of the following represents a cation?
a)
Na
b)
Na+1
c)
S-2
d)
N-1
53.
Which of the following correctly states the Octet Rule?
a)
Metals will gain electrons to obtain 8 valence electrons to be stable
b)
Atoms always have 8 valence electrons and will gain or lose to be stable
c)
Atoms will gain, lose or share electrons to obtain 8 valence electrons to be stable
d)
Electrons will gain, lose or share electrons to obtain 8 valence electrons to be stable.
54.
Which compound has the following properties: High melting points
a)
Ionic Compound
b)
Covalent Compound
55.
Which compound has the following properties:
Composed of nonmetals
Composed of nonmetals
a)
Ionic Compound
b)
Covalent Compound
56.
Which compound has the following properties:
Composed of metals and nonmetals
Composed of metals and nonmetals
a)
Ionic Compound
b)
Covalent Compound
57.
32. When does ionic bonding occur?
a)
When electrons are transferred
b)
When electrons are shared
c)
When protons and electrons are equal.
d)
When protons and neutrons are equal.
58.
The substance with 11 protons and 10 electrons is...
a)
Ne
b)
Na -1
c)
Na
d)
Na+1
59.
N-3 has ...
a)
7 protons and 3 electron
b)
7 protons and 4 electrons
c)
3 protons and 7 electrons
d)
7 protons and 10 electrons
60.
The ion of magnesium has a ____ charge.
a)
1+
b)
2+
c)
2-
d)
1-
100 %
