Basics
Light Energy
Electronic Structure
Molecular Geometry
Bond Angles
100
This is the base unit of temperature in the SI system.
What is kelvin?
100
This is the color observed in the hydrogen spectrum when the wavelength is 655 nm.
What is red?
100
The visible light spectrum is located between these two portions of the electromagnetic spectrum.
What are the ultraviolet and infrared?
100
This many valence electrons are present in the structure H2S.
What are 8? 2(1) + 6 = 8
100
This is the bond angle for the linear molecular geometry.
What is 180?
200
This is the factor for the prefix nano.
What is 10-9?
200
This is the color observed in the hydrogen spectrum when the light produced by an electron making the transition from n=6 to n=2 energy level in a hydrogen spectrum.
What is blue?
200
A sodium streetlight gives off yellow light with a wavelength of 589 nm (1 nm = 1 x 10-9 m). The light has this frequency.
What is 5.09 x 1014 s-1
200
This is the central atom hybridization of PF5.
What is sp3d?
200
Ammonium is an important structure in animal nutrition. If this is the Lewis structure, what molecular structure would be expected? 
What is trigonal bipyramidal.
300
This is the density of lead if a cube has an edge length of 2.00 cm and a mass of 90.7 g.
What is 11.3 g/cm3?
300
This is the color observed AND wavelength of the light produced by an electron making the transition from n=4 to n=2.
What is green and 486 nm?
300
Radiation from a neon light has a wavelength of 640 nm. This is the energy of the photon being admitted.
What is 3.10 x 10-19 J.
300
This is the form of electron pair geometry in ClF5.
What is octahedral?
300
What bond angle would be expected in this structure, which has only 3 electron regions?
What is 120?
400
Water displacement was used to determine density of an object. The object's mass was 69.658 g. The initial volume was 13.5 mL. After place the object in the water, the final volume was 22.4 mL. This is the approximate volume and density.
What is 8.9 cm3 and 7.8 g/cm3?
400
This is the energy in joules and the wavelength in meters of the photon produced when an electron falls from the n = 5 to the n = 3 level in a He+ ion (Z = 2 for He+).
What is 6.198 x 10-19 joules and 3.205 x 10-7 m
400
If a spark promotes the electron in a hydrogen atom into an orbit with n=3, this is the calculated energy of the electron.
What is -2.421 x 10-19 J?
400
This is the molecular geometry of XeF4.
What is square planar?
400
This is the bond angle for the tetrahedral molecular geometry.
What is 109.5?
500
If 1 oz = 28.349 g, an object that weighs 125 g is this many oz. (must have the correct number of significant figures)
What is 4.41 oz?
500
The movement of an electron from Bohr orbit with n=4 to n=6 yields a wavelength that can be found in which portion of the electromagnetic spectrum?
What is the infrared portion of the electromagnetic spectrum?
500
This is the wavelength of an electron that is traveling at a velocity of 1.000 x 107 m/s with a mass of 9.109 x 10-28.
What is 7.274 x 10-11m
500
This is the formal charge on the central atom and molecular polarity of BeCl2.
What is 0 (non-polar).
500
These are the two bond angles in the following structure.
What are 120 and 90?