WorksheetsPre-AP Chemistry Midterm
Total questions: 53
Worksheet time: 46mins
What is made of one type of atom?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
What is a molecule that contains at least two different elements that are chemically combined in a fixed ratio?
Element
Compound
Homogeneous MIxture
Heterogeneous Mixture
What is not uniform in composition and differences can be seen?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
What is uniform across in composition and is also known as a solution?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
Chlorine gas (Cl2) is
an element
a compound
a homogeneous mixture
a heterogeneous mixture
Glucose (C6H12O6) is
an element
a compound
a heterogeneous mixture
a homogeneous mixture
Brass and steel are
elements
compounds
homogeneous mixtures
heterogeneous mixtures
Sand, iron, and salt all mixed together creates
an element
a compound
a homogenous mixture
a heterogenous mixture
Match the following
Evaporation
Physical Method
Decanting
Physical Method
Evaporation
Physical Method
Electrolysis
Not a Physical Method
Distillation
Physical Method
Who stated that matter is composed of tiny, invisible particles called atoms?
John Dalton
Democritus
Louis de Broglie
Ernest Rutherford
Who developed the atomic theory?
JJ Thomson
Niels Bohr
John Dalton
Louis de Broglie
Who is credited with discovering the electron?
John Dalton
JJ Thomson
Ernest Rutherford
Niels Bohr
Who is credited with discovering the nucleus?
JJ Thomson
Ernest Rutherford
Niels Bohr
Louis de Broglie
Who developed the planetary model?
Ernest Rutherford
Louis de Broglie
Niels Bohr
JJ Thomson
Who stated that electrons exist in 3D clouds?
JJ Thomson
Ernest Rutherford
Niels Bohr
Louis de Broglie
Who developed the periodic table that was organized by atomic mass?
JJ Thomson
Dimitri Mendeleev
John Dalton
Henry Moseley
Who developed the periodic table that was organized by atomic number?
JJ Thomson
Dimitri Mendeleev
John Dalton
Henry Moseley
Elements that have the same chemical & physical properties, valence electrons, and oxidation numbers are in the same...
Group
Period
Classification
State of Matter
Elements that have the same number of shells and energy levels are in the same ...
Group
Period
Classification
State of Matter
How many valence electrons does calcium have? (a)
Nitrogen's will (oxidation number) ...
lose 5 electrons
gain 5 electrons
lose 3 electrons
gain 3 electrons
Which of the following is not a diatomic element? (a)
Match the following
Group 1
Alkali Metals
Group 2
Alkaline Earth Metals
Groups 3 to 12
Transition Metals
Group 17
Halogens
Group 18
Noble Gases
Select the Bohr Model for Sulfur.
A
B
C
D
Select the Lewis Dot Structure for Silicon.
A
B
C
D
Match the following
Atomic Radius
Measures the size of an atom
Electronegativity
Tendency of an atom to attract electrons
Ionization Energy
Energy required to remove one electron
What is the trend for atomic radius?
Increase from Group 1 to Group 18, Increase from Period 1 to Period 7
Increase from Group 1 to Group 18, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 18, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 18, Increase from Period 1 to Period 7
What is the trend for electronegativity?
Increase from Group 1 to Group 17, Increase from Period 1 to Period 7
Increase from Group 1 to Group 17, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 17, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 17, Increase from Period 1 to Period 7
What is the trend for ionization energy?
Increase from Group 1 to Group 18, Increase from Period 1 to Period 7
Increase from Group 1 to Group 18, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 18, Decrease from Period 1 to Period 7
Decrease from Group 1 to Group 18, Increase from Period 1 to Period 7
The subshell of an orbital will hold (a) electrons. (Type number, don't spell it)
What are the shapes of the orbitals?
1,3,5,7
2,6,7,14
s,p,d,f
s,b,d,f
Fill energy levels from lowest level up (start at 1s)
Pauli Exclusion Principle
Hund's Rule
Aufbau Principle
Boyle's Law
If two electrons are in one subshell, one spins up and other spins down.
Pauli Exclusion Principle
Hund's Rule
Aufbau Principle
Boyle's Law
Add electrons individually before pairing them.
Pauli Exclusion Principle
Hund's Rule
Aufbau Principle
Boyle's Law
Match the following based on how many electrons each orbital holds.
s
2
p
6
d
10
f
14
Match the following based on the number of subshells each orbital has.
s
1
p
3
d
5
f
7
What is the electron configuration for Bromine? (Example of answer 1s2 2s2 2p6 3s2 3p6)
(a)
What is the noble gas configuration for potassium? (Ex. [Kr] 5s1
(a)
Intermolecular forces happen between (a)
Intramolecular forces happen between (a)
Reorder the following (1 being the strongest, 3 being the weakest)
Hydrogen Bonding
Dipole-Dipole
London Dispersion Forces
London Dispersion Forces are created by the movement of
Protons
Electrons
Neutrons
Atoms
London Dispersion Forces are most common in (a) substances
Dipole-dipole interactions are attractions between (a) substances.
Hydrogen bonding occurs between
hydrogen, fluorine, oxygen, nitrogen
hydrogen, chlorine, sulfur, phosphorus
fluorine, oxygen, nitrogen, sulfur
hydrogen, fluorine, oxygen, chlorine
Match the following octet rule exceptions with the number of valence electrons needed.
Hydrogen and Helium
2
Boron and Aluminum
6
Phosphorus
10
Sulfur
12
Match the following
Covalent Bonds
Non-Metals Only
Ionic
Metal and Non-Metal
Metallic
Metals Only
Match the following
Covalent Bonds
Share Electrons
Ionic Bonds
Transfer Electrons
Metallic Bonds
Delocalize Electrons
Match the following
Fill interstitial spaces between metal cations
Interstitial Alloys (Def)
Metal cation substituted for another metal cation
Substitutional Alloys (Def)
Steel
Interstitial Alloy (Ex)
Brass
Substitutional Alloy (Ex)
What is the name of CaBr2? (Spelling matters, all lowercase)
(a)
What is the formula for cobalt (III) sulfide? (Ex. Cu3N)
(a)
What is the formula for ammonium chloride? (Ex. NaOH)
(a)
What is the name of N2P5? (spelling counts, all lowercase)
(a)
