Matter & Atomic Theory
Atomic Mass & Periodic Table
Waves & Electrons
Bonding and Formulas
Formulas and Equations
100
A forensic scientist measured amounts of heat, oxygen, fuel, and wood in her investigation. Which of these is not matter and why?
a. Oxygen. It’s invisible.
b. Fuel. It burns.
c. Heat. It is energy.
d. Wood. It is organic.
c. Heat. It is energy.
100
What is the average atomic mass for Lithium if 7.5% of Li atoms are 6Li and 92.5% are 7Li?
A. 6.925g (amu)
B. 692.5g (amu)
C. 69.25g (amu)
D. 0.6925 (amu)
A. 6.925g (amu)
100
Put the visible light colors in order from longest/slowest to shortest/fastest wavelength:
A. Red, Orange, Yellow, Green, Blue, Indigo, Violet
B. Violet, Indigo, Blue, Green, Yellow, Orange, Red
A. Red, Orange, Yellow, Green, Blue, Indigo, Violet
100
Which type of bonding is happening in fig.6?
A. Ionic because electrons are in a fixed, rigid position
B. Metallic because the delocalized electrons move freely among the protons in a “sea of electrons”
C. Covalent because the electrons are simply in a double bond
D. Radioactive because of the 30 protons shown
B. Metallic because the delocalized electrons move freely among the protons in a “sea of electrons”
100
What is the name of H2SO4?
Sulfuric Acid
200
Sugar water (fig.1) is a --
a. Heterogeneous mixture
b. Homogeneous mixture
c. Single Compound
d. Single atom
b. Homogeneous mixture
200
The family, _____________________, would form positive ions.
A. noble gases
B. halogens
C. alkaline earth metals
D. oxygen
C. alkaline earth metals
200
Calculate the energy of a wave with a frequency of 5.02 x 1020 Hz.
A. 1.51 x 1029 J
B. 1.32 x 10-54 J
C. 7.57 x 1053 J
D. 3.33 x 10-13 J
D. 3.33 x 10-13 J
200
What type of bonding is happening in fig.7?
A. Covalent because of the sharing of valence electrons
B. Metallic because of the “sea of valence electrons”
C. Ionic because of the transfer of valence electrons and oppositely charged ions
D. Radioactive because of the 16 electrons shown
C. Ionic because of the transfer of valence electrons and oppositely charged ions
200
Identify the correctly written formulas and equation
Aluminum and hydrochloric acid react to form aluminum chloride and hydrogen gas
300
In fig. 2, the statement “Bubble of gas” is evidence of a
a. Chemical change. The release of hydrogen gas shows a change in chemical composition
b. Chemical property. It only describes what could happen
c. Physical change. No evidence of change in chemical composition
d. Physical property. It only describes a state of matter (s,l, or g)
a. Chemical change. The release of hydrogen gas shows a change in chemical composition
300
The element Phosphorous has ____ valence electrons.
A. 15
B. 16
C. 5
D. 8
C. 5
300
What is the Noble-gas configuration for Nickel?
A. [Ar] 3s2 3p5
B. [Ar] 5s2 4d3
C. [Ar] 4s2 3d8
D. [Ar] 3s2 3d8
C. [Ar] 4s2 3d8
300
In fig.8, why is the Lewis Structure for CH4 incorrect?
A. Each H should have 2 more pairs of electrons
B. There should not be extra electrons on the H’s
C. C should have a double bond with the top H
C. CH4 should be triangular planar
B. There should not be extra electrons on the H’s
300
The balanced equation for the synthesis of aluminum oxide is? (look for correct formulas, too)
400
In 500 BC, _____________ reasoned that matter could be cut into a piece so small as to be indivisible. He called the smallest piece of matter “atomos”
a. Dalton
b. Rutherford
c. Democritus
d. Bohr
c. Democritus
400
Using fig.3, choose the element that shares similar chemical properties with Oxygen
A. Arsenic
B. Chlorine
C. Nitrogen
D. Sulfur
D. Sulfur
400
Which element does fig.4 represent?
A. C
B. N
C. O
D. F
A
400
What is the name of Al2(SO4)3 ?
Aluminum Sulfate
400
When balanced, what is the coefficient on HOH?
a.1
b.2
c.3
d.4
b.2
500
In 1926, Schrodinger took the Bohr model one step further. He developed the Quantum Mechanic Model which is our ________ atom. The atom is mostly an ________ _____ even though most of the mass is in the nucleus.
A. Thomson, Plum Pudding
B. Modern, electron cloud
C. Dalton, hard sphere
D. Ancient, broken piece
B. Modern, electron cloud
500
Electromagnetic Waves travel at the speed of ______________.
A. Sound
B. Light
C. An airplane
D. Coach Swinney
B. Light
500
Use fig.5 to help you. Which of the following results in the release of quantum energy?
A. n = 2 to n = 3
B. n = 6 to n = 4
C. n = 2 to n = 5
D. n =1 to n = 5
B. n = 6 to n = 4
500
What is the formula for iron III sulfate?
Fe2(SO4)3
500
According to the Law of Conservation of Mass, how many grams of K3PO4 should be produced in the following chemical reaction?
65.0 g