Chapter 1/2
Chapter 2
Chapter 3
Chapter 4/5
Chapter 10/20
100
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The explanation of accuracy and precision for the picture above.
What is the target on the left (1st target in row) is accurate, but not very precise. The target on the right is precise, but not very accurate.
100
Calculate the % mass of O in the following compound: C12H19NO3
What is 22%
100
What is the photoelectric effect and who discovered it?
What is electrically charged particles are released from or within a material when it absorbs electromagnetic radiation - Einstein
100
The number of pi bonds and sigma bonds for this illustration:
What is 9 sigma bonds and 2 pi bonds
100
What is the daughter nucleus if Uranium-238 undergoes Alpha-decay?
(A) Thorium-234
(B) Thorium-236
(C) Neptunium-234
(D) Uranium-234
What is A - Thorium 234
200
The Law of Conservation of matter.
What is matter cannot be created nor destroyed.
200
What did Rutherford's gold foil experiment lead to the discovery of?
What is the nucleus
200
A sodium streetlight gives off yellow light that has a wavelength of 589 nm (1 nm = 1 × 10−9 m). What is the frequency of this light?
What is 5.09×1014s−1
200
The hybridization of the two carbon atoms in acetic acid?
what is H3C, sp3; C(O)OH, sp2
200
Which substance will not exhibit hydrogen bonding?
(A) Hydrochloric Acid
(B) Nitrogen Trihydride
(C) Dihydrogen monoxide
(D) Hydrofluoric acid
What is A - Hydrochloric Acid (HCl)
300
Three examples of intensive properties and three examples of extensive properties.
What is intensive: color, boiling point, temperature, luster, hardness
What is extensive: volume, mass, size, weight, length
300
An element has 55 electrons and a +1 charge. Determine the symbol, protons, neutrons, and mass # of the element.
Symbol - Ba
Protons - 56
Neutrons - 81
Mass # - 137
300
Calculate energy, E, when n=2
What is -5.45 x 10-19 J
300
The limiting reactant when 2.00 g of Si and 1.50 g of N2 react in the following equation:
3Si(s)+2N2(g)⟶Si3N4(s)
What is Silicon (Si)
300
The difference between crystalline and amorphous solids
what is crystalline solids have repeating patterns while amorphous solids are characterized by their lack of order
400
Is oil and vinegar salad dressing a heterogenous or homogenous mixture?
What is a heterogenous mixture - it is not uniform throughout.
400
If the mass of one isotope of nitrogen, nitrogen-14, is 14.003 amu and another isotope, nitrogen-15, is 15.000 amu, find the relative abundance of each isotope. The average mass of Nitrogen, from the Periodic Table, is 14.007 amu.
What is 99.6% for nitrogen-14 and 0.4% for nitrogen-15.
400
Arrange the following in order of increasing atomic size: In, Al, B, Ti
What is B, Al, In, Ti
400
The Lewis Structure for Hexachlorocyclohexane (HCCH)
400
The phase change from a solid directly to a gas
what is sublimation
500
Which of the following is different in an isotope?
(A) Number of protons
(B) Number of electrons
(C) Number of neutrons
(D) Number of positrons
What is C - the number of neutrons
500
How many molecules are there in a 0.500 g tablet of aspirin (C9H8O4)?
What is 1.67 x 1021 molecules
500
What is the wavelength when n=6 moves to n=2? Is this visible?
What is 4.10 x 10-7 m - visible!
500
The electron domain geometry and the molecular geometry for TeCl42−
What is octahedral (electron-pair geometry) and square planar (molecular structure)
500
The labels for the following blank phase diagram
