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Chapter 9

Electrons in Atoms and the Periodic Table

Laurie LeBlancCuyamaca College

Clicker Questions

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A. frequency.B. wavelength.C. amplitude.D. speed.E. meter.

The distance between two adjacent crests or troughs in a wave is called the

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A. frequency.B. wavelength.C. amplitude.D. speed.E. meter.

The distance between two adjacent crests or troughs in a wave is called the

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A. proton.B. photon.C. electron.D. frequency.E. gamma ray.

A packet of light energy or a particle of light is called a(n)

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A. proton.B. photon.C. electron.D. frequency.E. gamma ray.

A packet of light energy or a particle of light is called a(n)

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A. HeatB. FrequencyC. LightD. Blackbody radiationE. Photon

What term is usually used to describe all forms of electromagnetic radiation?

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A. HeatB. FrequencyC. LightD. Blackbody radiationE. Photon

What term is usually used to describe all forms of electromagnetic radiation?

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A. The lower the frequency, the smaller the wavelengthB. The wavelength and frequency are equal.C. The larger the wavelength, the higher the frequencyD. The higher the frequency, the smaller the wavelengthE. None of the above

How are frequency and wavelength of light related?

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A. The lower the frequency, the smaller the wavelengthB. The wavelength and frequency are equal.C. The larger the wavelength, the higher the frequencyD. The higher the frequency, the smaller the wavelengthE. None of the above

How are frequency and wavelength of light related?

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A. YellowB. RedC. GreenD. VioletE. Blue

A blue shirt appears blue because it absorbs all colors of light except which one?

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A. YellowB. RedC. GreenD. VioletE. Blue

A blue shirt appears blue because it absorbs all colors of light except which one?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, UV, X-rayC. Radio wave, microwave, visible, UV, gammaD. Gamma, UV, IR, microwave, radio waveE. Gamma, UV, IR, visible, radio wave

In which of the following are the types of electromagnetic radiation arranged in order of increasing frequency?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, UV, X-rayC. Radio wave, microwave, visible, UV, gammaD. Gamma, UV, IR, microwave, radio waveE. Gamma, UV, IR, visible, radio wave

In which of the following are the types of electromagnetic radiation arranged in order of increasing frequency?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, UV, cosmicC. Radio wave, microwave, visible, UV, gammaD. X-ray, UV, IR, microwave, radio waveE. Gamma, UV, visible, radio wave, IR

In which of the following are the types of electromagnetic radiation arranged in order of decreasing frequency?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, UV, cosmicC. Radio wave, microwave, visible, UV, gammaD. X-ray, UV, IR, microwave, radio waveE. Gamma, UV, visible, radio wave, IR

In which of the following are the types of electromagnetic radiation arranged in order of decreasing frequency?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, gamma, UVC. Radio wave, microwave, visible, UV, gammaD. X-ray, UV, IR, microwave, radio waveE. Gamma, UV, IR, visible, radio wave

In which of the following are the types of electromagnetic radiation arranged in order of increasing energy per photon?

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A. Gamma, X-ray, radio wave, IR, microwaveB. Radio wave, IR, visible, gamma, UVC. Radio wave, microwave, visible, UV, gammaD. X-ray, UV, IR, microwave, radio waveE. Gamma, UV, IR, visible, radio wave

In which of the following are the types of electromagnetic radiation arranged in order of increasing energy per photon?

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A. BlueB. YellowC. RedD. VioletE. Green

Which color of visible light has the least energy per photon?

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A. BlueB. YellowC. RedD. VioletE. Green

Which color of visible light has the least energy per photon?

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A. hydrogenB. heliumC. oxygenD. neonE. all elements

The Bohr model is based largely on the study of the emission spectrum of which of the following elements?

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A. hydrogenB. heliumC. oxygenD. neonE. all elements

The Bohr model is based largely on the study of the emission spectrum of which of the following elements?

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A. Spherical B. DoughnutC. PyramidalD. DumbbellE. Square

What is the shape of a p orbital?

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A. Spherical B. DonutC. PyramidalD. DumbbellE. Square

What is the shape of a p orbital?

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A. 1B. 7C. 3D. 9E. 5

How many orbitals are associated with a given set of d orbitals with the same principal quantum number?

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How many orbitals are associated with a given set of d orbitals with the same principal quantum number?

A. 1B. 7C. 3D. 9E. 5

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A. 2B. 6C. 8D. 10E. 14

What is the maximum number of electrons allowed in each f orbital?

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A. 2B. 6C. 8D. 10E. 14

What is the maximum number of electrons allowed in each f orbital?

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A. 6B. 8C. 18D. 32E. 64

What is the maximum number of electrons in the n = 4 principal energy level?

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What is the maximum number of electrons in the n = 4 principal energy level?

A. 6B. 8C. 18D. 32E. 64

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A. 1s22s22p3

B. [Ar]4s24d104p4

C. [Ne]3s2

D. [He]2s22p63s2

E. [Kr]5s24d105p2

Which of the following electron configurations is NOT possible?

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A. 1s22s22p3

B. [Ar]4s24d104p4

C. [Ne]3s2

D. [He]2s22p63s2

E. [Kr]5s24d105p2

Which of the following electron configurations is NOT possible?

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A. OB. ClC. FD. ArE. S

Which of the following elements has the following electron configuration 1s22s22p63s23p5?

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A. OB. ClC. FD. ArE. S

Which of the following elements has the following electron configuration 1s22s22p63s23p5?

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A. [Ar]4s23d104p1

B. [Ne]3s23p6

C. [He]2s22p63s2

D. [Ne]3s23p3

E. [Ne]3s2

What is the electron configuration of the ground state of the P3– ion?

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A. [Ar]4s23d104p1

B. [Ne]3s23p6

C. [He]2s22p63s2

D. [Ne]3s23p3

E. [Ne]3s2

What is the electron configuration of the ground state of the P3– ion?

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A. [Ar]4s24p5

B. [Ne]3s23p4

C. 1s22s22p63s23p4

D. 1s22s22p63s23p5

E. Two of the above

What is the electron configuration for sulfur?

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A. [Ar]4s24p5

B. [Ne]3s23p4

C. 1s22s22p63s23p4

D. 1s22s22p63s23p5

E. Two of the above

What is the electron configuration for sulfur?

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A. Br–

B. K+

C. S3–

D. P3+

E. Ca+

Which of the following ions has the same electron configuration as an argon atom?

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A. Br–

B. K+

C. S3–

D. P3+

E. Ca+

Which of the following ions has the same electron configuration as an argon atom?

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A. 1s22s22p63s23p64s23d7

B. [Ar]4s24d9

C. [Ar]4s13d10

D. 1s22s22p2

E. [Ar]4s23d9

What is the electron configuration for the copper atom?

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What is the electron configuration for the copper atom?

A. 1s22s22p63s23p64s23d7

B. [Ar]4s24d9

C. [Ar]4s13d10

D. 1s22s22p2

E. [Ar]4s23d9

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A. 33B. 28C. 18D. 5E. 8

How many core electrons are in an arsenic (element 33) atom?

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A. 33B. 28C. 18D. 5E. 8

How many core electrons are in an arsenic (element 33) atom?

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A. ArB. SC. NaD. PE. F

Which element forms compounds with formulas similar to compounds containing iodine?

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A. ArB. SC. NaD. PE. F

Which element forms compounds with formulas similar to compounds containing iodine?

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A. K, Mg, S, Si, FB. Si, S, K, F, MgC. F, Si, S, Mg, KD. K, Mg, Si, S, FE. F, Mg, Si, K, S

Arrange the following elements in order of increasing ionization energy:

Si, F, K, Mg, S

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A. K, Mg, S, Si, FB. Si, S, K, F, MgC. F, Si, S, Mg, KD. K, Mg, Si, S, FE. F, Mg, Si, K, S

Arrange the following elements in order of increasing ionization energy:

Si, F, K, Mg, S

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A. K, Mg, Si, S, FB. Si, S, K, F, MgC. F, Si, S, Mg, KD. K, Mg, Si, S, FE. F, S, Si, Mg, K

Arrange the following elements in order of increasing atomic radius:

Si, F, K, Mg, S

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A. K, Mg, Si, S, FB. Si, S, K, F, MgC. F, Si, S, Mg, KD. K, Mg, Si, S, FE. F, S, Si, Mg, K

Arrange the following elements in order of increasing atomic radius:

Si, F, K, Mg, S

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A. 6B. 20C. 4D. 1E. 0

How many unpaired electrons are in an iron atom?

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How many unpaired electrons are in an iron atom?

A. 6B. 20C. 4D. 1E. 0

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A. Chlorine B. Tellurium (Te)C. Indium (In)D. CarbonE. Aluminum

Which of the following atoms has the greatest metallic character?

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A. Chlorine B. Tellurium (Te)C. Indium (In)D. CarbonE. Aluminum

Which of the following atoms has the greatest metallic character?

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A. An orbital is the electron’s circular path around the nucleus.

B. An orbit is a probability map showing the likeliest locations of electrons around a nucleus.

C. An orbit is the electron’s circular path around the nucleus.

D. An orbital is a probability map showing the likeliest locations of electrons around a nucleus.

Which of the following statements is true of the Bohr model of the atom?

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A. An orbital is the electron’s circular path around the nucleus.

B. An orbit is a probability map showing the likeliest locations of electrons around a nucleus.

C. An orbit is the electron’s circular path around the nucleus.

D. An orbital is a probability map showing the likeliest locations of electrons around a nucleus.

Which of the following statements is true of the Bohr model of the atom?

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A. Orbitals in this model have a variety of shapes.B. An orbit is a probability map showing the likeliest locations

of electrons around a nucleus.C. An orbit is the electron’s circular path around the nucleus

of a hydrogen atom.D. An orbital is a probability map showing the likeliest

locations of electrons around a nucleus.E. Two of these statements are correct.

Which of the following statements is/are true of the Quantum Mechanical model of the atom?

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A. Orbitals in this model have a variety of shapes.B. An orbit is a probability map showing the likeliest locations

of electrons around a nucleus.C. An orbit is the electron’s circular path around the nucleus

of a hydrogen atom.D. An orbital is a probability map showing the likeliest

locations of electrons around a nucleus.E. Two of these statements are correct.

Which of the following statements is/are true of the Quantum Mechanical model of the atom?

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A. electrons move farther from the nucleus in energized atoms.

B. excited electrons return to lower energy paths around the nucleus.

C. the nucleus becomes excited (or energized).D. photons move farther from the nucleus in

energized atoms.E. Two of these statements are correct.

Light is emitted from an atom when

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A. electrons move farther from the nucleus in energized atoms.

B. excited electrons return to lower energy paths around the nucleus.

C. the nucleus becomes excited (or energized).D. photons move farther from the nucleus in

energized atoms.E. Two of these statements are correct.

Light is emitted from an atom when

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A. The 3s electronsB. The 2s electronsC. Two of the 2p electronsD. The 1s electronsE. None of the above

The electron configuration for calcium is 1s22s22p63s2. Which electrons are lost upon ionization?

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A. The 3s electronsB. The 2s electronsC. Two of the 2p electronsD. The 1s electronsE. None of the above

The electron configuration for calcium is 1s22s22p63s2. Which electrons are lost upon ionization?

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A. 18 and 17B. 20 and 15C. 10 and 25D. 28 and 7E. 30 and 5

The electron configuration for bromine is [Ar]4s23d104p5. List the number of core electrons and valence electrons, respectively.

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A. 18 and 17B. 20 and 15C. 10 and 25D. 28 and 7E. 30 and 5

The electron configuration for bromine is [Ar]4s23d104p5. List the number of core electrons and valence electrons, respectively.