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Chemistry: Mid-term Study Guide

Terms in this set (35)

The number of waves that pass a set point within a given amount of time is?
a) Wavelength b) Amplitude c) Frequency d) Energy
c) Frequency
The height of a wave, measured from the line of origin to the top of a crest or bottom of the trough, is known as the _______.
a) Wavelength b) Amplitude c) Frequency d) Energy
b) Amplitude
The distance between two crests or two trough on consecutive waves is known as:
a) Wavelength b) Amplitude c) Frequency d) Energy
a) Wavelength
For all electromagnetic radiation, C (the speed of light) equals:
a) Frequency minus Wavelength b) Frequency plus Wavelength
c) Frequency divided by Wavelength d) Frequency times Wavelength
d) Frequency times Wavelength
The frequency of electromagnetic radiation is measured in _______ which is equal to waves per second.
a) Nano meters b) Quanta c) Joules d) Hertz
d) Hertz
Max Planck proposed that a hot object releases energy in small specific amount called:
a) Nano meters b) Quanta c) Joules d) Hertz
b) Quanta
A quantum of electromagnetic radiation is called a:
a) Electron b) Orbital c) Photon d) Excited atom
c) Photon
The release of electrons from metals that have absorbed photons is called the:
a) Line emission spectrum b) Continuous spectrum c) Photoelectric effect d) Electron configuration
c) Photoelectric effect
When white light passes through a prism, a _________ is emitted that contains all of the colors of the visible spectrum.
a) Line emission spectrum b) Continuous spectrum c) Photoelectric effect d) Electron configuration
b) Continuous spectrum
The specific wavelengths of light seen through a prism when passed through a tube of Hydrogen gas at low pressures is called the: a) Line emission spectrum b) Continuous spectrum c) Photoelectric effect d) Electron configuration
a) Line emission spectrum
If electrons in an atom have the lowest possible energies, the atom is in it's: a) Ground state b) Inert state c) Excited state d) Radiation emitting state
a) Ground state
For an electron to change from the ground state to the excited state it must: a) release energy b) absorb energy c) emit a photon d) none of these
b) absorb energy
According the Niels Bohr, electrons orbited the nucleus. His model of the atom is known as the _________ model.
a) Plum Pudding b) Quantum c) Planetary d)Spectre
c) Planetary
Which model of the atom explains the orbitals of electrons as waves? a) Plum Pudding b) Quantum c) Planetary d)Spectre
b) Quantum
All of the following describe the Heisenberg Uncertainty Principle except:
a) it states that it is impossible to determine the exact location of an electron
b) It is one of the fundamental principles of our understanding of light and matter
c) It was fundamental in the development of Quantum Theory
d) It helps us locate an electron in an atom
d) It helps us locate an electron in an atom
A Three-Dimensional region around a nucleus where an electron may be found is call a(n): a) Spectral line b) Electron pathway c) orbital d) Orbit
c) orbital
The quantum number that indicates an orbital's position on the X-Y-Z axis is:
a) Principle Quantum Number b) Angular momentum Quantum Number c) Magnetic Quantum Number d) Spin Quantum Number
c) Magnetic Quantum Number
The quantum number that indicates the main energy level is the:
a) Principle Quantum Number b) Angular momentum Quantum Number c) Magnetic Quantum Number d) Spin Quantum Number
a) Principle quantum number
The quantum number that indicates the spins sate for the electron is the:
a) Principle Quantum Number b) Angular momentum Quantum Number c) Magnetic Quantum Number d) Spin Quantum Number
d) Spin Quantum Number
The quantum number that tells the shape of the orbitals that exist at a sub level is the: a) Principle Quantum Number b) Angular momentum Quantum Number c) Magnetic Quantum Number d) Spin Quantum Number
b) Angular momentum quantum number
How many orbitals would be found in the 2nd energy level?
a) 2 b) 3 c) 4 d)9
c) 4
What is the maximum number of electrons that can be found in any one orbital?
a) 1 b) 2 c) 3 d) 4
b) 2
How many sub levels are in the 4th main energy level?
a) 2 b) 3 c) 4 d) 1
c) 4
How many electrons can be found in a filled 3rd energy level?
a) 4 b) 8 c) 18 d) 32
c) 18
How many orbitals can be found in any F sub level?
a) 1 b) 3 c) 5 d) 7
d) 7
if 8 electrons fill up and entire energy level, what energy level must it be? a) 1st b) 2nd c) 3rd d) 4th
b) 2nd
The statement that no two electrons can have the same four quantum numbers is known as:
a) Hund's Rule b) Aufbau Principle c) Pauli Exclusion Principle d) Heisenberg Uncertainty Principle
c) Pauli Exclusion Principle
The statement that each orbital in a sub level must receive one electron before any orbital in that sub level can receive a 2nd electron is known as:
a) Hund's Rule b) Aufbau Principle c) Pauli Exclusion Principle d) Heisenberg Uncertainty Principle
a) Hund's Rule
The statement that an electron occupies the lowest energy level orbital available is known as:
a) Hund's Rule b) Aufbau Principle c) Pauli Exclusion Principle d) Heisenberg Uncertainty Principle
b) Aufbau Principle
What element has the electron configuration [Ar]4s2 3d5?
a) O b) Mn c) Fe d) Ar
b) Mn
What element had the electron configuration 1s2 2s2 2p5?
a) D b) NE c) N d) P
c) N
Which of the following elements is a D-block element?
a) K b) Mo c) Am d) P
b) Mo
What Noble gas should be used to write the Noble Gas Configuration of Rubidium?
a) Ne b) Ar c) Kr d) Xe
a) Ne
What is the correct order of the first seven sub levels that fill up for any atom?
a) 1s2s3s4s5s6s7s b) 1s2s2p3s3p3d4s c) 1s1p2s2p3s3p3d d) 1s2s2p3s3p4s3d
d) 1s2s2p3s3p4s3d
Which of the following has two unpaired electrons in it's 2p sublevel?
a) Neon b) Fluorine c) Oxygen d) Nitrogen
c) Oxygen
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