Deck 2: Electrons and the Periodic Table

Question 1

The size of an atomic orbital is associated with

A)the principal quantum number (n).
B)the angular momentum quantum number (l).
C)the magnetic quantum number (m_l).
D)the spin quantum number (m_s).
E)the angular momentum and magnetic quantum numbers, together.

Answer 1

the principal quantum number (n).

Question 2

Determine which sublevel designation is legitimate.

A)1p
B)2p
C)3f
D)4z

Answer 2

2p

Question 3

Determine which sublevel designation is not legitimate.

A)1p
B)2s
C)3d
D)4p

Answer 3

2s

Question 4

Which of the following electron transitions would be expected to emit any light in the Bohr model of the atom?

A)n = 1 to n = 3
B)n = 5 to n = 6
C)n = 2 to n = 5
D)n = 4 to n = 3

Question 5

Select the arrangement of electromagnetic radiation which starts with the shortest wavelength and increases to longest wavelength.

A)radio, infrared, ultraviolet, gamma rays
B)radio, ultraviolet, infrared, gamma rays
C)gamma rays, radio, ultraviolet, infrared
D)gamma rays, infrared, radio, ultraviolet
E)gamma rays, ultraviolet, infrared, radio

Question 6

What is the emission of light at only specific wavelengths?

A)Emission spectra
B)Hydrogen spectrum
C)Wave spectra
D)Limited spectra
E)Line spectra

Question 7

List the following types of radiation from lowest frequency to highest frequency: microwave, X ray, ultraviolet, visible, and infrared

A)microwave < infrared < visible < ultraviolet < X ray
B)X ray < ultraviolet < visible < infrared < microwave
C)visible < ultraviolet < microwave < X ray < infrared
D)infrared < X ray < microwave < ultraviolet < visible
E)infrared < visible < microwave < ultraviolet < X ray

Question 8

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

A)n = 7 to n = 2
B)n = 5 to n = 6
C)n = 1 to n = 3
D)n = 3 to n = 5

Question 9

Visible light, radio waves, microwave radiation, infrared, ultraviolet radiation, X-rays, and gamma rays all constitute the electromagnetic spectrum.Which of the following characteristics do all of these kinds of radiation share?

A)They all have the ability to generate heat in objects.
B)They all have the same frequencies.
C)They are all the transmission of energy in the form of waves.
D)They have equal energies.
E)They have the same electron spin state.

Question 10

How many orbitals can have the 4s description in a given atom?

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

Question 11

How many orbitals can have the 3d description in a given atom?

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

Question 12

Determine which sublevel designation is not legitimate.

A)4s
B)2d
C)3s
D)5p

Question 13

Which of the following electron transitions would be expected to emit any light in the Bohr model of the atom?

A)n = 1 to n = 4
B)n = 3 to n = 1
C)n = 2 to n = 3
D)n = 5 to n = 7

Question 14

Determine which sublevel designation is legitimate.

A)1f
B)2d
C)3c
D)4s

Question 15

The number of orbitals in a d subshell is

A)1.
B)2.
C)3.
D)5.
E)7.

Question 16

Atomic orbitals developed using quantum mechanics

A)describe regions of space in which one is most likely to find an electron.
B)describe exact paths for electron motion.
C)give a description of the atomic structure which is essentially the same as the Bohr model.
D)allow scientists to calculate an exact volume for the hydrogen atom.
E)are in conflict with the Heisenberg uncertainty principle.

Question 17

Select the arrangement of electromagnetic radiation which starts with the lowest energy and increases to the greatest energy.

A) radio, infrared, ultraviolet, gamma rays
B) radio, ultraviolet, infrared, gamma rays
C) gamma rays, infrared, radio, ultraviolet
D) gamma rays, ultraviolet, infrared, radio
E) infrared, ultraviolet, radio, gamma rays

Question 18

How many orbitals can have the 3p description in a given atom?

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

Question 19

Which of the following electron transitions would be expected to absorb any light in the Bohr model of the atom?

A)n = 1 to n = 3
B)n = 3 to n = 2
C)n = 4 to n = 2
D)n = 6 to n = 5

Question 20

How many orbitals can have the 4p description in a given atom?

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

Question 21

How many orbitals are there in the n = 4 level of the H-atom?

A)4
B)6
C)8
D)16
E)18

Question 22

The electronic structure 1s²2s²2p⁶3s²3p⁶4s²3d⁸ refers to the ground state of

A)Kr.
B)Ni.
C)Fe.
D)Pd.
E)None of these choices is correct.

Question 23

Which element has the following ground-state electron configuration? [Kr]5s²4d¹⁰5p³

A)Sn
B)Sb
C)Pb
D)Bi
E)Te

Question 24

The ground-state electron configuration for an atom of indium is

A)[Kr]5s²4p⁶4d⁵
B)[Ar]4s²3d¹⁰4p¹
C)[Ar]4s²4p⁶3d⁵
D)[Kr]5s²5p⁶4d⁵
E)[Kr]5s²4d¹⁰5p¹

Question 25

The electron configuration of a ground-state vanadium atom is

A)[Ar]4s²4d³
B)[Ar]4s²4p³
C)[Ar]4s²3d³
D)[Ar]3d⁵
E)[Ar]4s²3d⁷

Question 26

Which ground-state atom has an electron configuration described by the following orbital diagram?

A)Phosphorus
B)nitrogen
C)arsenic
D)vanadium
E)sulfur

Question 27

For all atoms of the same element, the 2s orbital is larger than the 1s orbital.

Question 28

What is the correct electron configuration for a germanium (Ge) atom?

A)1s²2s²2p⁶3s²3p⁶4s²4p²
B)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p²
C)1s²2s²2p⁶3s²3p²
D)1s²2s²3s²3p⁵
E)None of the answers is correct.

Question 29

The orbital diagram for a ground-state carbon atom is

Question 30

The orbital diagram for a ground-state nitrogen atom is

Question 31

Which element has the following ground-state electron configuration? [Kr]5s²4d¹⁰5p²

A)Sn
B)Sb
C)Pb
D)Ge
E)Te

Question 32

Which element has the following ground-state electron configuration? 1s² 2s² 2p⁶ 3s²

A)Na
B)Mg
C)Al
D)Si
E)Ne

Question 33

Which ground-state atom has an electron configuration described by the following orbital diagram?

A)phosphorus
B)germanium
C)selenium
D)tellurium
E)potassium

Question 34

Select the correct electron configuration for Te (Z = 52).

A)[Kr]5s²5p⁶4d⁸
B)[Kr]5s²5d¹⁰5p⁴
C)[Kr]5s²4d¹⁰5p⁶
D)[Kr]5s²4f¹⁴
E)[Kr]5s²4d¹⁰5p⁴

Question 35

The ground-state electron configuration of a calcium atom is

A)[Ne]3s²
B)[Ne]3s²3p⁶
C)[Ar]4s¹3d¹
D)[Ar]4s²
E)[Ar]3d²

Question 36

The orbital diagram for a ground-state oxygen atom is

Question 37

How many unpaired electrons does a ground-state atom of sulfur have?

A)0
B)1
C)2
D)3
E)4

Question 38

The electron configuration of a ground-state Co atom is

A)[Ar]4s²3d⁷
B)1s²2s²2p⁶3s²3d⁹
C)[Ne]3s²3d⁷
D)[Ar]4s¹3d⁵
E)[Ar]4s²4d⁷

Question 39

Each shell (principal energy level) of quantum number n contains n subshells.

Question 40

Select the correct electron configuration for sulfur (Z = 16).

A)1s²1p⁶2s²2p⁶
B)1s²2s²2p⁸3s²3p⁴
C)1s²2s²2p⁸3s²3p²
D)1s²2s²2p⁶3s²3p⁴
E)1s²2s²2p⁶3s²3d⁴

Question 41

What element is represented by the electron configuration 1s²2s²2p⁶3s²3p⁶4s¹3d⁵?

A)Mn
B)Ca
C)K
D)Cr
E)V

Question 42

In what group of the periodic table is the element with the electron configuration [Ar]4s²3d¹⁰4p³?

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

Question 43

How many electrons are in the 4p orbitals of vanadium?

A)0
B)2
C)4
D)5
E)6

Question 44

How many electrons are there in the 3^rd principal energy level (n = 3) of a phosphorus atom?

A)3
B)5
C)6
D)8
E)10

Question 45

An element with the general electron configuration for its outermost electrons of ns²np¹ would be in which element group?

A)2A
B)3A
C)4A
D)5A
E)8A

Question 46

The general electron configuration for noble gas atoms is

A)ns²np⁶.
B)ns²np⁵.
C)ns²np⁴.
D)ns²np³.
E)ns².

Question 47

How many electrons are in the 4d orbitals of Tc?

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

Question 48

What is the electron configuration for bromine?

A)1s²2s²2p⁶3s²3p⁶4s¹4d¹⁰4p⁶
B)1s²2s²2p⁶3s²3p⁶4s²4d¹⁰4p⁵
C)1s²2s²2p⁶3s²3p⁶4s¹3d¹⁰4p⁶
D)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
E)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁵

Question 49

Consider the element with the electron configuration [Kr]5s²4d⁷.This element is

A)a halogen.
B)a transition metal.
C)a nonmetal.
D)an actinide element.
E)a noble gas.

Question 50

How many electrons are there in the 2^nd principal energy level (n = 2) of a phosphorus atom?

A)3
B)5
C)6
D)8
E)10

Question 51

What element is represented by the electron configuration 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s¹4d¹⁰?

A)Ag
B)Rb
C)Cd
D)Sr
E)Cu

Question 52

Which of these choices is the general electron configuration for the outermost electrons of elements in the alkaline earth group?

A)ns¹
B)ns²
C)ns²np⁴
D)ns²np
E)ns²np⁶ (n − 1)d⁶

Question 53

What is the electron configuration for silicon?

A)1s²2s²2p⁶3s¹3p³
B)1s²2s²2p⁶3s²3p²
C)1s²2s²2p⁶3s⁴
D)1s²2s²2p⁶3p⁴
E)1s²2s²2p⁶3s²3p³

Question 54

The general electron configuration for atoms of the halogen group is

A)ns²np⁶.
B)ns²np⁵.
C)ns²np⁶ (n − 1)d⁷.
D)ns¹.
E)ns²np⁷.

Question 55

Each of the noble gases has a completely filled p subshell except for which one?

A)Xenon
B)Neon
C)Radon
D)Argon
E)Helium

Question 56

How many electrons are in the 4p orbitals of selenium?

A)0
B)2
C)4
D)5
E)6

Question 57

Which of the following elements has the largest number of unpaired electrons in the ground state?

A)K
B)V
C)S
D)Si
E)Cl

Question 58

Consider the element with the electron configuration [Kr]5s²4d¹⁰5p⁵.This element is

A)a halogen.
B)a transition metal.
C)an alkali metal.
D)an actinide element.
E)a noble gas.

Question 59

What is the electron configuration for tungsten?

A)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d⁶
B)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s¹4f¹⁴5d⁵
C)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d⁴
D)1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d⁷
E)1s²2s²2p⁶3s²3p⁵4s²3d¹⁰4p⁶5s²4d¹⁰5p⁶6s²4f¹⁴5d⁷

Question 60

The general electron configuration for atoms of all elements in Group 5A is

A)ns²np⁶.
B)ns²np⁵.
C)ns²np⁴.
D)ns²np³.
E)ns²np¹.

Question 61

Which one of these ions has the smallest radius?

A)Cl⁻
B)K⁺
C)S²⁻
D)Na⁺
E)O²⁻

Question 62

Which of these atoms has the largest radius?

A)B
B)Ga
C)Br
D)Si
E)Cl

Question 63

Select the element that will gain an electron most easily, based on the periodic trend.

A)Ca
B)Mg
C)O
D)P

Question 64

Which of the elements listed below has the greatest atomic radius?

A)B
B)Al
C)S
D)P
E)Si

Question 65

An element with the electron configuration [noble gas]ns²(n − 1)d⁸ has ___________ valence electrons.

A)2
B)6
C)8
D)10
E)None of these choices is correct.

Question 66

Arrange these ions in order of increasing ionic radius: K⁺ , P³⁻ , S²⁻ , Cl⁻.

A)K⁺ < Cl⁻ < S²⁻ < P³⁻
B)K⁺ < P³⁻< S²⁻ < Cl⁻
C)P³⁻ < S²⁻ < Cl⁻ < K⁺
D)Cl⁻ < S²⁻ < P³⁻ < K⁺
E)Cl⁻ < S²⁻ < K⁺ < P³⁻

Question 67

Select the element that will lose an electron most easily, based on the periodic trend.

A)Na
B)Mg
C)Ar
D)P

Question 68

Which of the following elements has the smallest atomic size?

A)Na
B)Ar
C)K
D)Ca
E)Kr

Question 69

How many valence electrons does a tin (Sn) atom have?

A)2
B)4
C)14
D)36
E)50

Question 70

Arrange P, S, and O in order of increasing atomic radius.

A)S < O < P
B)P < S < O
C)O < S < P
D)O < P < S
E)The answer cannot be determined from the data given.

Question 71

Consider the element with the electron configuration [Xe]6s²4f⁷.This element is

A)a halogen.
B)a lanthanide element.
C)a nonmetal.
D)an actinide element.
E)a noble gas.

Question 72

How many valence electrons does a carbon atom have?

A)1
B)2
C)3
D)4
E)6

Question 73

Select the element that will lose an electron most easily, based on the periodic trend.

A)Li
B)Na
C)K
D)He

Question 74

Which of these elements has the greatest metallic character?

A)Br
B)Se
C)Ni
D)As
E)Si

Question 75

An element with the electron configuration [noble gas]ns²(n − 1)d¹⁰np³ has ____________ valence electrons.

A)2
B)3
C)5
D)10
E)15

Question 76

Which of the following elements has the largest atomic size?

A)S
B)Ca
C)Ba
D)Po
E)Rn

Question 77

Select the element that will gain an electron most easily, based on the periodic trend.

A)Rb
B)Al
C)S
D)Na

Question 78

Which of these elements has the greatest metallic character?

A)Br
B)F
C)Ge
D)Mn
E)Sc

Question 79

How does atomic radius change as you move across the periodic table?

A)Atomic radius decreases moving from left to right across a period and increases from top to bottom.
B)Atomic radius increases moving left to right across a period and decreases from top to bottom.
C)Smaller nuclear charge lowers energy; more electrons in an orbital lowers energy.
D)Atomic radius increases diagonally across the periodic table.
E)None of the answers is correct.

Question 80

Which of these atoms has the smallest radius?

A)Al
B)P
C)As
D)Te
E)Na