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100

Recite the electromagnetic spectrum from longest to shortest wavelength?

Radiowaves, Microwaves, Infrared, Visible Light, Ultraviolet, Xrays, Gamma Rays

100

The ________ quantum number states the orbital in which the designated electron can be found.

a. Spin

b. Principle

c. Magnetic

d. Angular

e. Directional

d. Angular

100

Max Planck’s research and Albert Einstein’s experiment of the Photoelectric Effect proved…

a. Atoms are composed of shells and orbitals.

b. Everything has particle and wave properties.

c. The atomic spectra of every element is unique.

d. Energy is quantized.

e. Electrons can always be ejected from a metal when infrared waves are used.

f. None of Above.

d. Energy is quantized.

100

How many of the following compounds are ionic?

CH3COO-, O3, C6H6, B2H6, NH4+ I2

0

100

Which bond has the shortest length?

a. single bond

b. double bond

c. triple bond

d. sigma bond

c. triple bond

200

Which will have the greatest energy change?

a. n = 1 to n = 2

b. n = 2 to n = 3

c. n = 4 to n = 6

d. n = 5 to n = 4

a. n = 1 to n = 2

200

What are the valance electrons in an atom whose electron configuration is 1s22s22p63s23p64s23d105s24d2?

a. 4d2

b. 3d10

c. 5s2

d. 4s2

e. 5s24d2

f. 1s25s2

c. 5s2

200

How much energy is required to excite an electron in a hydrogen atom from its ground state to n = 8?

a. 3.4 x 10-20 J

b. 2.15 x 10-18 J

c. 1.05 x 10-20 J

d. 1.64 x 10-18 J

e. 0.0872 J

f. Cannot be Determined

b. 2.15 x 10-18 J

200

What would be the charge of an arsenic ion?

a. As3-

b. As2-

c. As-

d. As+

f. As2+

e. As3+

a. As3-

200

True or False: Resonance stabilizes molecules.

True

300

Which of the following electron transitions are exothermic?

a. n = 1 to n = 2

b. n = 6 to n = 3

c. n = 5 to n = 7

d. n = 4 to n = ∞

b. n = 6 to n = 3

300

The last electron to be added to an element has quantum numbers n = 4, l = 2, ml = 2, ms = +1/2. What is this element?

a. Ar

b. Mn

c. Tc

d. Ni

e. Pd

f. Ca

g. Ga

c. Tc

300

_______________ is the amount of energy required to eject a valence electron from the nucleus of an atom.

a. Rydberg Energy

b. Ionization Energy

c. Electron Affinity

d. Principle Quantum Number

e. Balmer Requirement

b. Ionization Energy

300

What is the chemical formula for Titanium(IV) Sulfide?

a. ThS

b. TiS

c. ThS2

d. TiS2

e. Th4S

d. TiS2

300

The proper name for Fe(OH)3 is:

a. Ferric Hydroxide

b. Ferric Trihydroxide

c. Ferrous Hydroxide

d. Ferrous Trihydroxide

a. Ferric Hydroxide

400

Which of the following photons has the highest energy?

a. A photon with ν = 0.27 x 1013 Hz

b. A photon with λ = 82 x 10-4 m

c. A photon with λ = 0.61 μm

d. A photon with ν = 46.3 THz

c. A photon with λ = 0.61 μm

400

What is the correct electron configuration of Germanium?


1s22s22p63s23p64s23d104p2

400

Which shell-subshell combination below is highest in energy?

a. 2s

b. 4f

c. 3s

d. 3p

e. 2p

f. 5d

g. 6s

b. 4f

400

Which compound below has the most polar bond?

a. N3

b. HI

c. HCl

d. HBr

e. HF

f. O2

b. HI

400

Which of the following has the greatest electronegative difference?

HF, HI, H2O, Br2

a. HI

b. H2O

c. HF

d. Br2

c. HF

500

The energy contained within a beam of ultraviolet radiation is 3.39 x 10-19 kJ. What is the frequency of the wave?

a. 2.25 x 10-49 Hz

b. 5.10 x 1014 Hz

c. 2.00 x 10-52 Hz

d. 5.11 x 1017 Hz

e. 8.85 x 1023 Hz

f. 9.00 x 1020 Hz

d. 5.11 x 1017 Hz

500

Which atom or ion is correctly represented by the electron configuration 1s22s22p63s23p64s23d104p65s24d105p6?

a. Kr

b. Ba+

c. Cd

d. I-

e. Rn+

f. None of the Above

d. I-

500

Rank the following atoms according to atomic radius:

F, Mg2+, Be, N3-, O.

N3- > Be > Mg2+ > O > F 

500

How many bonds must oxygen make to complete its octet?

a. One

b. Two

c. Three

d. Four

e. Five

f. Six

g. Cannot be Determined

b. Two

500

Which of the following is a nonpolar molecule:

HF, CHCl 3, H2O, C2H4

C2H4

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