Ready to ace your upcoming chemistry exam? Our "Chemistry Unit 1 Practice Test" is here to help you master the fundamentals and boost your confidence! This comprehensive quiz covers all the essential concepts from your first chemistry unit, including atomic structure, the periodic table, chemical bonding, chemical reactions, and stoichiometry.
This practice test will help you practice for your chemistry See moreunit 1 test, but without the pressure! You'll get instant feedback on your answers and detailed explanations to help you understand the concepts. Plus, we've included challenging questions to really test your knowledge and prepare you for exam success. So let's see how much you know about periodic tables and chemical bonds!
True
False
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Something that is witnessed and can be recorded.
An interpretation, or a possible explanation of why nature behaves in a particular way.
A statement that summarizes generally observed behavior.
A possible explanation for an observation.
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Something that has mass and occupies space.
Fundamental unit of which elements are made.
Substances that contain only one type of atom.
Substances that are made by bonding atoms together in a specific way.
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Elements that cannot be broken down into simpler substances.
Substances made up of two or more different elements chemically combined in fixed ratios.
Chemical reactions that produce energy.
Pure substances with a uniform composition.
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Substances made up of two or more different elements chemically combined in fixed ratios.
Pure substances with a uniform composition.
The smallest particles of matter.
Fundamental substances that cannot be broken down into simpler substances by chemical means.
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Solid
Water
Liquid
Blood
Gas
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True
False
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A substance without variable composition
A substance with variable composition
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True
False
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Pure element or pure compound
A mixture of elements
A mixture of atoms
None of the above
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A separation process that depends on the boiling points of the substances
An agent that is used to distillate water
Separation of a solid from a liquid by using filter paper
Desalination
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Fl
Fo
Fe
F
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A given compound always contains elements in exactly the same proportion by mass
The fact that a substance made of two or more different elements joined together in a specific way is called a compound
Elements are made up of tiny particles called atoms
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True
False
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The number of protons in the nucleus of a given atom
The total number of protons and neutrons in the nucleus of a given atom
Atoms with the same number of protons but different number of neutrons
The number of electrons in the nucleus of a given atom
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Alkaline
Alkali
Helenogens
Halogens
Ignoble Gases
Noble Gases
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Whether they are metals or non-metals.
Atomic number
What group of elements do they belong to
All of the above
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Efficient conduction of heat and electricity
Ability to be eaten (edible)
Malleability (can be hammered into thin sheets)
Ability to change in state of matter
Lacking shininess (luster)
A lustrous appearance
Ductility (can be pulled into thin wires)
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True
False
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Cations are positive, anions are negative, and ions are charged particles.
Cations are negative, anions are positive, and ions are charged particles.
Cations are neutral, anions are positive, and ions are negative.
Cations and anions are positive, and ions are negative.
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Positive
Negative
Neutral
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True
False
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True
False
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True
False
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The relationship between inches and centimeters
The proportion that is used to measure the ratios of food
A ratio used to convert from one unit to another
The process of using conversion factors to change from one unit to another
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Kelvin scale
Celsius scale
Fahrenheit scale
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True
False
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PO₄³⁻
PO4
P4O
PO3-
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OH
OH-
O2H
O-
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CsO
Cs2O
CsO2
Cs2O3
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BaO2
Ba2O
BaO
Ba2O3
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ScO
Sc₂O₃
ScO2
Sc3O
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NO2
NO2-
NO3-
NO
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CO2 2-
CO4 2-
C2O3 2-
CO3 2-
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NO2
NO3
NO3-
N2O3
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SO2
SO3
SO4
S2O2
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HSO4-
H2SO4
HSO3-
H2SO3
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AlCl
AlCl3
Al2Cl3
Al2Cl5
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C2H2O2-
C2H4O2-
C2HO2-
C2H3O2-
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6
8
12
14
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Oxygen
Nitrogen
Helium
Carbon
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H2O2
HO2
O2
H2O
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Temperature
Solubility
Conductivity
Acidity or alkalinity
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Sodium
Mercury
Iron
Helium
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