Deck 11: Modern Atomic Theory

Question 1

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

A) violet
B) blue
C) green
D) yellow
E) red

Answer 1

violet

Question 2

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

A) violet
B) blue
C) green
D) yellow
E) red

Answer 2

red

Question 3

The frequency of the wave indicates how many wave peaks pass a certain point per given time period.

Answer 3

True

Question 4

A given set of f orbitals consists of ____ orbital(s).

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

Question 5

____ is a phenomenon that may be caused by the burning of fossil fuels, which increases the CO₂ content in the earth's atmosphere.

A) Acid rain
B) The greenhouse effect
C) Infrared radiation
D) The ozone problem
E) None of these

Question 6

Consider the following representation of a 2p orbital: Which of the following statements best describes the movement of electrons in a p orbital?

A) The electrons move along the outer surface of the p orbital, similar to a "figure 8" type of movement.
B) The electrons move within the two lobes of the p orbital, but never beyond the outside surface of the orbital.
C) The electrons are concentrated at the center (node) of the two lobes.
D) The electrons are moving in only one lobe at any given time.
E) The electron movement cannot be exactly determined.

Question 7

The frequency of the wave is the distance between two consecutive wave peaks.

Question 8

The speed of a wave indicates how fast a given peak travels through water.

Question 9

When an electron in the ground state absorbs energy, it goes to a(n) ____ state.

A) excited
B) lower
C) frenetic
D) ionic
E) stable

Question 10

The form of EMR that has more energy per photon than ultraviolet rays but less energy per photon than gamma rays is

A) microwaves
B) radio waves
C) X rays
D) infrared rays
E) none of these

Question 11

____ is a form of oxygen that protects us from high-energy radiation emitted by the sun.

A) Ozone
B) Carbon dioxide
C) Ultraviolet light
D) Methane
E) None of these

Question 12

We usually use the term ____ for all forms of electromagnetic radiation.

A) energy
B) photons
C) radiation
D) light
E) none of these

Question 13

As the principal energy level increases in an atom's orbitals, the average distance of an electron energy level from the nucleus ____.

A) increases
B) decreases
C) stays the same
D) varies
E) none of these

Question 14

The energy levels of the hydrogen atom (and all atoms) are ____, meaning that only certain discrete energy levels are allowed.

A) varied
B) quantized
C) ramp-like
D) continuous
E) two of these

Question 15

The color of a polar bear's fur is

A) white
B) brown
C) black
D) yellow
E) colorless

Question 16

A packet of energy of electromagnetic radiation is called a neutron.

Question 17

The probability map for an electron is called

A) an orbit
B) a photon
C) an orbital
D) an electron configuration
E) none of these

Question 18

The form of EMR that has less energy per photon than infrared rays but more energy per photon than radio waves is

A) microwaves
B) ultraviolet
C) gamma rays
D) X rays
E) none of these

Question 19

Which of the following is a reasonable criticism of the Bohr model of the atom?

A) It makes no attempt to explain why the negative electron does not eventually fall into the positive nucleus.
B) It does not adequately predict the line spectrum of hydrogen.
C) It does not adequately predict the ionization energy of the valence electron(s) for elements other than hydrogen.
D) It does not adequately predict the ionization energy of the first-energy-level electrons for one-electron species for elements other than hydrogen.
E) It shows the electrons to exist outside the nucleus.

Question 20

The maximum number of electrons allowed in each of the p orbitals is

A) 2
B) 4
C) 8
D) 18
E) none of these

Question 21

The electron configuration for the sulfur atom is

A) 1s²2s²2p⁶3s²3p⁴
B) 1s²2s²2p⁶3s²3p⁶
C) 1s²2s²2p⁶3s²3p²
D) 1s²2s²2p⁶3s⁶
E) none of these

Question 22

The maximum number of electrons allowed in the p sublevel of the third principal level is

A) 1
B) 2
C) 3
D) 6
E) 8

Question 23

The maximum number of electrons allowed in each of the d orbitals is

A) 2
B) 4
C) 8
D) 18
E) 32

Question 24

The lowest energy level to allow f orbitals is the fourth energy level.

Question 25

The number of d orbitals in the second principal energy level is

A) 2
B) 6
C) 10
D) 14
E) none of these

Question 26

A d sublevel can hold a maximum of

A) 5 electrons
B) 10 electrons
C) 14 electrons
D) 32 electrons
E) none of these

Question 27

The maximum number of electrons allowed in the fourth energy level is

A) 2
B) 4
C) 8
D) 18
E) 32

Question 28

The alkaline earth metals have how many valence electrons?

A) 8
B) 7
C) 3
D) 2
E) 1

Question 29

Chlorine has how many electrons in its outermost principle energy level?

A) 7
B) 5
C) 17
D) 4
E) 1

Question 30

The number of unpaired electrons in an oxygen atom is

A) 2
B) 3
C) 6
D) 5
E) 1

Question 31

State the maximum number of electrons allowed in each.
a. fourth principal energy level ____
b. any d sublevel ____
c. a 2p orbital ____

Question 32

What is the maximum number of electrons that can be put into each of the following subshells?
a. 3p ______________
b. 6s ______________
c. 5d ______________
d. 7f ______________

Question 33

Which of the following is the highest energy orbital for a silicon atom?

A) 1s
B) 2s
C) 3s
D) 3p
E) 3d

Question 34

A given set of d orbitals consists of ____ orbital(s).

A) 1
B) 3
C) 5
D) 6
E) none of these

Question 35

Choose the correct ground-state electron configuration for chlorine.

A) [Ne] 3s²3p⁵
B) [Ne] 3s²3p⁷
C) [Ar] 3s²3p⁵
D) [Ne] 4s²4p⁵
E) [Ne] 2s²3p⁷

Question 36

The maximum electron capacity of an f sublevel is

A) 18
B) 14
C) 10
D) 6
E) 2

Question 37

Choose the correct energy level diagram for the ground state of oxygen.

A)
B)
C)
D)
E)

Question 38

Choose the correct electron configuration for nitrogen in an excited state.

A) 1s²2s²2p²3s¹
B) 1s²2s²2p²2d¹
C) 1s²2s²2p³
D) 1s²2s²2p³3s¹
E) 1s²2s²2p³3s¹3p¹

Question 39

Which of the following is an incorrect designation for an atomic orbital?

A) 3f
B) 4s
C) 5f
D) 3p
E) 3s

Question 40

The elements chlorine and iodine have similar chemical properties because they

A) are both metals
B) are in the same chemical period
C) have the same number of electrons in their outer energy levels
D) have the same number of stable isotopes
E) none of these

Question 41

Which of the following has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d⁵ ?

A) Mn
B) Ca
C) Br
D) V
E) Fe

Question 42

The correct electron configuration for Ni is

A) 1s²2s²2p⁶3s²3p⁶4s²3d⁸
B) 1s²2s²2p⁶3s²3p⁶3d¹⁰
C) 1s²2s²2p⁶3s²3p⁶4s²3d⁹
D) 1s²2s²2p⁶2d¹⁰3s²3p⁶
E) none of these

Question 43

The electron configuration for vanadium is

A) [Ar] 4s²3d³
B) 1s²2s²2p⁶3s²3d²
C) [Ar] 4s²4p³
D) 1s²2s²2p⁶3s¹3d⁴
E) [Ar] 3d⁵

Question 44

How many d electrons are in an atom of cobalt?

A) 7
B) 9
C) 10
D) 27
E) 59

Question 45

The yet undiscovered element with atomic number 113 would be a member of

A) the halogens
B) the transition elements
C) the noble gases
D) the Group 3A elements
E) none of these

Question 46

Which element has the fewest electrons in its valence shell?

A) Cs
B) Mg
C) P
D) O
E) Br

Question 47

When moving down a group (family) in the periodic table, the number of valence electrons

A) remains constant
B) increases by 2 then 8 then 18 then 32
C) doubles with each move
D) decreases regularly
E) changes in an unpredictable manner

Question 48

Which of the following has the electron configuration [Ar] 4s²3d⁵ ?

A) Mn
B) Ca
C) Br
D) V
E) none of these

Question 49

The maximum number of electrons in the second principal energy level of an atom is

A) 2
B) 6
C) 8
D) 18
E) 32

Question 50

What is the expected ground-state electron configuration for Te^2-?

A) [Kr]5s²5d¹⁰5p⁴
B) [Kr]5s²4d¹⁰5p⁴
C) [Kr]5s²4d¹⁰4f¹⁴5p⁶
D) [Kr]5s²4d¹⁰5p⁶
E) [Ar]5s²4d¹⁰5p²

Question 51

The element with the electron configuration [Kr] 5s²4d¹⁰5p⁴ is

A) Te
B) Se
C) Mo
D) Nd
E) none of these

Question 52

Which electron configuration indicates a transitional element?

A) 1s²2s²2p⁶3s¹3p⁶
B) 1s²2s²2p⁶3s²3p⁶4s²3d³
C) 1s²2s²2p⁵
D) 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p²
E) none of these

Question 53

The noble gases contain how many valence electrons?

A) 1
B) 7
C) 0
D) 8
E) none of these

Question 54

The Group 3A elements through the Group 8A elements form an area of the periodic table where the electron sublevels being filled are

A) p orbitals
B) s and p orbitals
C) d orbitals
D) p and d orbitals
E) f orbitals

Question 55

The number of electrons in the third sublevel of an iron atom is

A) 3
B) 6
C) 8
D) 26
E) 56

Question 56

Which one of the following atoms has a partly filled d sublevel?

A) Ca
B) Ni
C) Zn
D) As
E) Ar

Question 57

All these atoms have seven electrons in their outermost energy levels except

A) H
B) F
C) Cl
D) Br
E) I

Question 58

How many of the following electron configurations for the species in their ground state are correct?
(I) Ca: 1s²2s²2p⁶3s²3p⁶4s²
(II) Mg: 1s²2s²2p⁶3s¹
(III) V: [Ar] 3s²3d³
(IV) As: [Ar] 4s²3d¹⁰4p³
(V) P: 1s²2s²2p⁶3p⁵

A) 1
B) 2
C) 3
D) 4
E) 5

Question 59

How many unpaired electrons does the element cobalt (Co) have in its lowest energy state?

A) 0
B) 1
C) 2
D) 3
E) 7

Question 60

How many electrons are in the third principal energy level (n = 3) of one atom of cobalt?

A) 15
B) 13
C) 7
D) 9
E) 18

Question 61

Write the electron configuration for Br.

Question 62

Write the electron configuration for Se.

Question 63

The 47th electron of silver, Ag, will be in a d orbital.

Question 64

What element has the electron configuration 1s²2s²2p⁶3s²3p³?

A) N
B) P
C) S
D) Al
E) Cl

Question 65

What element has the electron configuration 1s²2s²2p⁶3s²3p⁶?

A) Ar
B) Cl
C) Kr
D) S
E) none of these

Question 66

Consider the following representation of the one orbital below. The points represent various electron locations. What is the maximum number of electrons that this orbital can hold?

A) 10
B) 6
C) 5
D) 4
E) 2

Question 67

The p block of elements contains the transition metals.

Question 68

Write the electron configuration for Rb.

Question 69

Consider the following representation of the one orbital below. The points represent various electron locations. Where could an electron be located in the representation above?

A) Point A
B) Point B
C) Point C
D) Point D
E) An electron could be located at any of these points.

Question 70

Write the electron configuration for Co.

Question 71

What element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁵?

A) Cl
B) Se
C) I
D) Kr
E) Br

Question 72

Write the electron configuration for Al.

Question 73

Write the electron configuration for B.

Question 74

Write the electron configuration for Ca.

Question 75

Consider the following representation of the one orbital below. The points represent various electron locations. What type of orbital is represented?

A) s
B) p
C) d
D) f

Question 76

What element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²?

A) Ba
B) Sn
C) Pb
D) Po
E) none of these

Question 77

Write the electron configuration for Te.

Question 78

Write the electron configuration for Cl.

Question 79

What element has the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d¹⁰6p⁵ ?

A) At
B) Ta
C) I
D) Rn
E) none of these

Question 80

Write the electron configuration for Cd.