Matter
Measurement and Dimensional Analysis
Atomic Theory and the Periodic Table
Electron Configuration and Quantum Mechanics
Ionic Bonding
200
Classify each of these as metals, nonmetals, or metalloids.
P, As, Te, Ca, Kr, Fe, Ag, S, I
Metals: Ca, Fe, Ag
Metalloids: Te, As
Nonmetals: P, S, I, Kr
200
One micrometer (μm) is equivalent to how many meters (m)?
10-6
200
How many neutrons are in an atom of Pb-207?
(ZPb = 82)
125 neutrons
200
Waves can be combined through a process called what?
Interference
200
Alkaline earth metals tend to ionize to what charge?
2+
200
Daily double!
Write the number of points you'd like to bet.
(Question will be on Mr. Vizenor's personal life.)
Question:
Where did Mr. Vizenor go to college?
200
How many nanometers (nm) are in 1 meter (m)?
109
200
What is the name of an atom with 10 electrons and a 1- charge?
Fluorine (F)
200
What is the relationship between the speed of light, the wavelength, and the frequency of a photon?
c = \lamda \nu
200
What is the formula for zinc (II) chloride?
ZnCl2
400
Classify the following into mixtures and pure substances.
Ethanol, pepper, propane, pineapple juice, steel, salt
Mixture: pepper, pineapple juice, steel
Pure substance: ethanol, propane, salt
400
How many millimeters long is this line?
34.6 mm
(34.1 - 35.1 mm)
400
Write the isotope notation for an atom of selenide-80.
{::}_(\34)^80Se^(2-)
400
What is the wavelength (in meters) of a photon with a frequency of 5.45 x 1014 Hz?
5.50 x 10-7 m
400
What is the noble gas configuration for an In3+ ion?
[Kr] 4d10
400
You attempt to separate the solute (dissolved solid) from a clear, colorless solution. After the solution has completely evaporated, you are left with a dark purple crystal at the bottom of the flask. What type of change(s) occurred here?
Physical and chemical
400
If a gold atom has a diameter of 0.332 nm, how many atoms thick is a 0.996 μm sheet of gold leaf?
3.00 x 102 atoms
(3 sig figs)
400
Write the isotope notation for the most common isotope of a neutral atom with an average atomic mass of 39.098 Da.
{::}_19^39K
400
What is the electron configuration for copper?
1s22s22p63s23p64s13d10
400
What is the name of Hg3N2?
mercury (II) nitride
600
Classify the following chemicals into elements, compounds, and molecules.
O2, FeCl3, Xe, H2O, N3, Sb, and Ge(OH)3
Element: O2, Xe, N3, Sb
Compound: FeCl3, H2O, Ge(OH)3
Molecule: O2, FeCl3, H2O, N3, Ge(OH)3
600
A student records a measurement of 39.26 mL using a graduated cylinder. What range of values is she certain the actual measurement is between?
39.21 - 39.31 mL
600
What is the smallest element of a group of elements known for their ability to form basic (alkaline) solutions in water?
Beryllium
600
What is the noble gas configuration for bismuth?
[Xe] 6s24f145d106p3
600
Group 12 elements will tend to ionize to what charge?
2+
600
Based on the definition of physical/chemical properties, do you think the ability to conduct electricity is a physical or chemical property? Explain your reasoning.
Physical, doesn't result in a chemical change.
600
An honors chemistry class is taking a field trip to a nuclear power plant for their energy unit. They are renting vans in order to drive all 48 students to the plant. If one van can hold 11 students and each van rents for $32.60/day, how much money would it cost (excluding gas) to take the field trip?
$163.0
600
Order the elements Kr, Ca, Ar, S, B by increasing atomic radius.
B < Ar < S < Kr < Ca
600
What is the shell and subshell that is occupied by an electron with the quantum numbers {5,3,-2,½}?
5f
600
What is the formula for tin (IV) sulfate?
Sn(SO4)2
800
Based on the definition of physical and chemical properties, what type of property do you think adhesive power is and why?
Physical; sticking something to another substance doesn't change the chemical structure (unless it's a SUPER strong chemical glue).
800
If one drop of water is approximately 50 μL, how many drops of water would it take to get a volume of water that weighs exactly one kilogram? (Dwater = 1.00 g/mL)
20000 drops
(1 sig fig)
800
Neon has three stable isotopes in the following abundances: Ne-20 (90.48%), Ne-21 (0.267%), and Ne-22 (9.253%). What is the average atomic mass of neon?
20.2 Da
800
What is the wavelength (in nm) of light needed to excite a hydrogen atom from n=2 to n=5, requiring an energy of 1.550 × 10-19 J?
1281 nm
800
Of the groups 15, 16, 17, and 18, which would you predict to be the most reactive (in terms of ion formation), and why?
Group 17; one electron away from a valence shell results in extremely high electron affinity.
800
Based on the definition of physical and chemical changes, do you think a gas ionizing into plasma is a physical change or chemical change?
Yes.
800
A small cube of metal weighing 95.32 g causes the volume of water in a graduated cylinder to go from 101 mL to 113.1 mL. What is the density of the metal in kg/L?
7.88 kg/L
(3 sig figs)
800
An element has 7 valence electrons, is the least reactive nonradioactive element in its group, and is a dull grey solid at room temperature.
This element combines with sodium to undergo a chemical reaction. What is the product?
NaI
(sodium iodide)
800
Name all of the diamagnetic elements with a valence shell of n=6.
Ba, Lu, Hg, Rn
800
What is the name of the compound Bi3(PO4)5?
Bismuth(V) phosphate