WorksheetsFall ACP Review (EC)
Total questions: 50
Worksheet time: 2hrs 44mins
Which statement is a chemical property of copper?
It is a mineral
It is a liquid at 1083°C.
It reacts with nitric acid.
It is malleable and ductile.
Which of the following is an example of an extensive property?
Density
Color
Length
Boiling Point
Select the following statements that describe a chemical change. There may be more than 1 answer choice.
A metal bicycle rusts.
Vegetable oil is brought to a boil.
A bottle of milk spoiling.
A piece of chalk is broken in half
Copper foil being melted.
What is the formula of calcium permanganate? Use your Periodic Table and chart
CaMnO4
Ca3MnO4
Ca(MnO4)2
Ca3(MnO4)3
Which statement correctly characterizes a property of the alkaline earth elements, Group 2A on the Periodic Table?
They are found in nature as free elements,
They readily lose two valence electrons,
Their electron configuration ends with s1.
They have an oxidation state of +1,
The Electron Sea Model explains why metals —
are excellent conductors
are very reactive
accept electrons easily
form ionic compounds
What is the Lewis electron dot structure for the covalent compound sulfur dioxide? SO2
Which is an example of an empirical formula? (Most simplified formula)
H2O2
N2O2
C3H2
B2H6
Which type of electromagnetic waves has the greatest energy?
Gamma rays
Microwaves
Radio waves
Visible light
In 1897, J.J. Thomson used a device like the one shown to discover that cathode rays were streams of —
photons
electrons
protons
ions
100((mass⋅ % abundance)+ (mass⋅ % abundance)) What is the average atomic mass of the unknown element?
5.40 amu
10.5 amu
10.8 amu
11.0 amu
100((mass⋅ % abundance)+ (mass⋅ % abundance)) What is the average atomic mass of the unknown element?
5.40 amu
10.5 amu
10.8 amu
11.0 amu
Electronegativity measures the ability of atoms to attract a bonding pair of electrons. Which diagram correctly identifies both the period and group trends for electronegativity in the Periodic Table?
Matter can exist as a solid, a liquid, or a gas. The solid state is distinguished by its ability to —
be easily compressible
take the shape of a container
have particles of low density
maintain an ordered pattern
What is the name of the molecular compound with the formula P4O7?
tetraphosphorus heptoxide
triphosphorus pentoxide
tetraphosphorus hexoxide
pentaphosphorus heptoxide
Which type of electromagnetic wave has the greatest frequency?
Gamma rays
Microwaves
Radio waves
Visible light
Which type of electromagnetic wave has the lowest energy?
Gamma rays
Microwaves
Radio waves
Visible light
Which of the following samples would be the most compressible?
C6H12O6 (s)
CO2 (g)
NaCl (aq)
H2O (l)
The particles in which sample would have the greatest freedom of movement?
C3H8 (g)
H2O (s)
Hg (l)
Ca(OH)2 (aq)
What type of material can be represented by melting samples of copper and zinc, mixing them together evenly, and allowing them to cool and harden?
polymer
alloy
gaseous
aqueous solution
Ammonia (NH3) is an example of
an alloy
a compound
a salt
a mixture
Air is a combination of different gases which do not exist in exact ratios and can be separated based on their physical properties. Based on this information, it can be inferred that air is a
an element
a compound
a mixture
alloy
A material is a combination of other substances that are in a fixed ratio. The material can be chemically separated into these simpler substances
an element
a pure substance
a compound
a mixture
The bonding characteristics of carbon are most similar to the bonding characteristics of -
Hint: Same family/group= similar characteristics
hydrogen (H)
silicon (Si)
helium (He)
sulfur (S)
Which of the following groups contains members with similar chemical reactivity? (Same family/group)
K, Ca, Sc
V, Cr, Mn
Cu, Ag, Au
N, O, F
All the alkali metal elements are found on the periodic table in
Group 1
Group 2
Group 17
Group 18
The Halogens are found on the periodic table in
Group 1
Group 2
Group 17
Group 18
Which element has similar physical and chemical properties to sodium? (same family/group)
beryllium (Be)
lithium (Li)
neon (Ne)
magnesium (Mg)
In 1808, John Dalton established his atomic theory. Which of the following is not part of Dalton’s atomic theory?
All matter is composed of atoms.
An atom consists of a nucleus and a cloud of electrons.
Atoms cannot be subdivided, created, or destroyed.
In chemical reactions, atoms are combined, separated, or rearranged.
Which is one way that Dalton’s atomic theory has been shown to be incorrect?
Atoms can change identity in chemical reactions.
Atoms can be split into subatomic particles.
Atoms can be destroyed by chemical reactions.
Some atoms of a particular element are identical to atoms of other elements.
What scientist performed the gold foil experiment?
John Dalton
Ernest Rutherford
Niels Bohr
JJ Thomson
Which of the following elements has the smallest atomic radius?
Zinc (Zn)
Germanium (Ge)
Chlorine (Cl)
Francium (Fr)
Atomic radius decreases as you travel ______ and to the _______
up, right
down, left
Ionization Energy decreases as you travel ______ and to the _______
up, right
down, left
Which of these elements has the lowest ionization energy?
Strontium (Sr)
Oxygen (O)
Argon (Ar)
Which color of the Visible Light spectrum has the LONGEST wavelength?
Green
Red
Violet
Radio waves
An unknown electromagnetic wave is found to have a high energy profile. How would you describe its frequency and wavelength?
Low frequency, long wavelength
High frequency, long wavelength
Low frequency, short wavelength
high frequency, short wavelength
Which statement correctly describes the relationship between wavelength, frequency, and energy?
As wavelength gets longer, frequency and energy increases
As wavelength gets longer, frequency increases and energy decreases
As wavelength gets shorter, frequency and energy increases
As wavelength gets shorter, frequency decreases and energy increases
The Lewis structure for chlorine is shown below. What do you know about chlorine based on this structure?
The atomic number of chlorine is seven.
Chlorine has seven valence electrons.
Chlorine has seven electrons in its level 4 orbital.
Chlorine does not have any electrons in p sub orbitals
Which of the groups below has the electron dot structure shown above?
Noble gases
Halogens
Alkali metals
Transition elements
Which of the following Lewis dot diagrams represents a neutral atom of boron?
Which of the following orbital notations for phosphorus (P) is correct?
Which electron configuration represents a violation of the Pauli exclusion principle?
Which ground state electron configuration represents a violation of the Aufbau Principle?
Which one of the following is the correct electron orbital filling for a nitrogen (N) atom?
Argon is the third period noble gas. What is the electron configuration of argon?
What is the correct noble-gas notation for the electron configuration of an atom of chlorine?
What is the formula for calcium fluoride?
CaF2
Ca2F2
Ca2F4
C2F
The correct name for Al2O3 is
aluminum oxide
dialuminum oxide
dialuminum trioxide
aluminum hydroxide
The name of the ionic compound (NH4)3PO4 is
ammonium phosphate
tetrammonium phosphate
nitrogen hydrogen phosphate
ammonia phosphide
