Deck 3: Atomic Structure and the Periodic Table

Question 1

Isotopes of a given element

A) have the same mass number but different numbers of protons
B) have different mass numbers but identical numbers of protons
C) have the same atomic number but different chemical properties
D) have the same mass number but different chemical properties

Answer 1

have different mass numbers but identical numbers of protons

Question 2

Chlorine, which exists in nature in two isotopic forms, has an atomic mass of 35.5 amu. This means that:

A) All chlorine atoms have masses of 35.5 amu.
B) More than half of all chlorine atoms have masses of 35.5.
C) 35.5 amu is the upper limit for the mass of a chlorine atom.
D) The mass of one isotope must be lighter than 35.5 amu while the mass of the other isotope is heavier than 35.5 amu.

Answer 2

The mass of one isotope must be lighter than 35.5 amu while the mass of the other isotope is heavier than 35.5 amu.

Question 3

The quantity "A + Z" gives the number of

A) electrons in an atom
B) neutrons in an atomic nucleus
C) nucleons in an atomic nucleus
D) all subatomic particles in an atom

Answer 3

all subatomic particles in an atom

Question 4

The nuclear charge for an atom of is

A) zero
B) + 9
C) + 18
D) + 28

Question 5

Which of the following statements about a d subshell is correct?

A) It is found only in shells greater than 2.
B) It contains 3 orbitals.
C) It is found only in shells 2 and 3.
D) It is found in all shells greater than 1.

Question 6

The nucleus of an atom

A) contains neutrons and electrons
B) has no charge because of the presence of neutrons
C) repels the negatively charged electrons in an atom
D) does not account for a large amount of the total volume of an atom

Question 7

The modern periodic table arranges the elements in order of

A) year of discovery
B) decreasing size of the nucleus
C) increasing reactivity with oxygen
D) increasing number of protons

Question 8

An atom contains 33 protons, 35 neutrons and 33 electrons. The atomic number and mass number for this atom are, respectively,

A) 35 and 33
B) 33 and 35
C) 33 and 68
D) 35 and 68

Question 9

Two naturally occurring isotopes exist for the hypothetical element dippium. 25.0 percent of dippium atoms have a relative mass of 17.0 amu and 75.0 percent a relative mass of 21.3 amu. What is the atomic mass of dippium?

A) 18.1 amu
B) 19.1 amu
C) 20.2 amu
D) 38.3 amu

Question 10

How many unpaired electrons are present in the orbital diagram for an atom whose electron configuration is 1s²2s²2p⁴?

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

Question 11

Which of the following element classification pairings is incorrect?

A) O representative element
B) Xe noble gas element
C) Cr transition element
D) Os inner transition element

Question 12

Which of the following statements is correct for ?

A) contains more electrons than neutrons
B) contains no electrons
C) contains an equal number of neutrons and electrons
D) contains more neutrons than electrons

Question 13

The elements in group IVA of the periodic table all have electron configurations ending in

A) p²
B) p⁴
C) d⁴
D) s²

Question 14

In which of the following pairs of elements are both members of the pair metals?

A) P and O
B) Al and Cl
C) Nb and Ar
D) Ag and Bi

Question 15

Which of the following statements is consistent with the electron configuration 1s²2s²2p⁶3s²3p⁶?

A) There are six electrons present in a 3p orbital.
B) There are six electrons present in a 3p subshell.
C) There are two electrons present in a 2s shell.
D) There are two electrons total in the second shell.

Question 16

After the 4s subshell of an atom is filled with electrons, the next electron added will enter the

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

Question 17

Which of the following statements concerning subatomic particles is correct?

A) Four fundamental types exist, all of which are charged.
B) Four fundamental types exist, two of which are charged.
C) Three fundamental types exist, none of which are charged.
D) Three fundamental types exist, two of which are charged.

Question 18

Which of the following statements correctly characterizes the subatomic particle called a neutron?

A) Its mass is less than that of an electron.
B) it has a negative charge
C) its mass is about that same as that of a proton
D) it contributes 25% of the mass of an atom

Question 19

In which of the following pairs of elements are both members of the pair in the same period in the periodic table?

A) Ne and Mg
B) Ni and Pd
C) Ca and Se
D) K and Rb

Question 20

The correct electron configuration for ₁₇Cl is

A) 1s²2s²2p⁵
B) 1s²2s²2p⁶3s²
C) 1s²2s²2p⁶3s²3p⁵
D) 1s²2s²2p⁶3s²3p⁶4s²3d⁵

Question 21

Which of the following pairs of atoms, specified in terms of subatomic particle composition, are isotopes?

A) (24p, 24e, 24n) and (25p, 25e, 25n)
B) (24p, 24e, 24n) and (24p, 24e, 28n)
C) (24p, 24e, 28n) and (25p, 25e, 28n)
D) more than one correct response
E) no correct response

Question 22

Which of the following statements is correct for

A) atomic number = 27 and mass number = 14
B) contains 14 protons and 27 neutrons
C) contains an equal number of protons and electrons
D) more than one correct response
E) no correct response

Question 23

Element A exists in three isotopic forms with masses of 21.0, 25.0 and 26.0 amu, respectively. Element Q also exists in three isotopic forms with masses of 20, 24.0 and 25.0 amu, respectively. It is true that:

A) Element A has a lower atomic mass than element Q since it has the lightest isotope.
B) Elements A and Q have identical atomic masses since the sums of their isotopic masses are equal.
C) Element Q has a higher atomic mass than element A since its atomic masses are closer together.
D) More than one correct response.
E) No correct response.

Question 24

Which of the following statements concerning the nucleus of an atom is correct?

A) It accounts for almost all of the mass of an atom.
B) It is always positively charged.
C) It contains only neutrons.
D) More than one correct response.
E) No correct response.

Question 25

Which of the following characterizations for the element ₅₂Te is correct?

A) both a representative element and a metal
B) electron configuration involves a partially filled s subshell
C) electron configuration involves a total of 52 electrons
D) more than one correct response
E) no correct response

Question 26

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The shape of an s orbital is always spherical.
(2) All naturally occurring atoms of an element must be identical to each other in terms of subatomic particle makeup.
(3) The alkaline earth metals are the elements in group IA of the periodic table.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 27

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) Electrons occupy the orbitals of a subshell such that each orbital acquires one electron before any orbital acquires a second electron.
(2) The nucleus of an atom is always positively charged.
(3) Both electrons and protons are massive particles when compared with neutrons.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 28

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The number of elements that are metals and nonmetals is approximately equal.
(2) The number of orbitals present in an electron subshell is always six.
(3) An atom as a whole is electrically neutral because all charged subatomic particles reside in the nucleus.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 29

Period number and group number in the periodic table are numerically equal for which of the following elements?

A) (₁₃Al)
B) (₃₃As)
C) (₅₁Sb)
D) more than one correct response
E) no correct response

Question 30

Which of the following collections of subatomic particles possesses a net charge of +2?

A) two neutrons and two electrons
B) three protons and one electron
C) three electrons and one proton
D) more than one correct response
E) no correct response

Question 31

Which of the following periodic table groups contains three or more nonmetallic elements?

A) IIIA
B) IVA
C) VA
D) more than one correct response
E) no correct response

Question 32

Which of the following statements concerning types of elements is correct?

A) There are more noble gas elements than transition elements.
B) There are more s-block elements than d-block elements.
C) There are more nonmetals than metals.
D) More than one correct response.
E) No correct response.

Question 33

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The mass of an atom and the mass of its nucleus are essentially the same.
(2) Two of the six electrons present in an atom of carbon are unpaired.
(3) The element aluminum is located in the d area of the periodic table.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 34

Two unpaired electrons are present in the orbital diagram of which of the following elements?

A) (₆C)
B) (₁₀Ne)
C) (₁₂Mg)
D) more than one correct response
E) no correct response

Question 35

Which of the following statements correctly describes the subatomic particle called a neutron?

A) has a mass slightly less than that of a proton
B) is not found in the nucleus
C) has a positive charge
D) more than one correct response
E) no correct response

Question 36

Which of the following electron configurations corresponds to an element in the same group of the periodic table as the element whose electron configuration is 1s²2s²2p⁵?

A) 1s²2s²2p⁴
B) 1s²2s²2p⁶
C) 1s²2s²2p⁶3s²3p⁶4s²3d⁵
D) more than one correct response
E) no correct response

Question 37

Which of the following characterizations for the element ₂₃V is correct?

A) a period 4 element
B) electron configuration ends in d³
C) an inner-transition element
D) more than one correct response
E) no correct response

Question 38

Both a number and a letter are used in designating an electron subshell. The letter

A) indicates the shell to which the subshell belongs
B) may be s, p, d, or f
C) gives information about the maximum number of electrons the subshell can contain
D) more than one correct response
E) no correct response

Question 39

Tin is element number 50. This means that all tin atoms have

A) an atomic number of 50
B) 50 neutrons in the nucleus
C) a total of 50 subatomic particles in the nucleus
D) more than one correct response
E) no correct response

Question 40

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The sum of the mass number and the atomic number for an atom corresponds to the total number of subatomic particles present in the atom.
(2) The element sulfur is both a nonmetal and a representative element.
(3) Elements with electron configurations that end in p⁴ would be found in group VIA of the periodic table.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 41

Choose the correct atom that has a mass number of 17.

A)
B)
C)
D)

Question 42

Choose the correct atom that has a nuclear charge of +17

A)
B)
C)
D)

Question 43

Choose the appropriate pair of atoms that contain the same number of nucleons.

A)
B)
C)
D)

Question 44

Choose the appropriate pair of atoms that contain the same number of electrons.

A)
B)
C)
D)

Question 45

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) All naturally occurring atoms of an element must have the same mass number.
(2) Protons and electrons carry the same amount of charge.
(3) An isotope of chlorine with A = 35 and Z = 17 contains more neutrons than protons.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 46

Choose the appropriate electron configuration for an element that has electrons in six orbitals.

A) 1s²2s²2p⁶3s²3p⁶
B) 1s²2s²2p⁶3s²3p⁴
C) 1s²2s²2p⁶3s¹
D) 1s²2s²2p⁵

Question 47

Choose the appropriate electron configuration for an element that has five completely filled subshells.

A) 1s²2s²2p⁶3s²3p⁶
B) 1s²2s²2p⁶3s²3p⁴
C) 1s²2s²2p⁶3s¹
D) 1s²2s²2p⁵

Question 48

Has fewer neutrons than electrons.

A)
B)
C)
D)

Question 49

Choose the correct atom that has an equal number of protons, neutrons, and electrons.

A)
B)
C)
D)

Question 50

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) The maximum number of electrons that can occupy an electron shell is the same as the shell number.
(2) A nucleus is the very small dense uncharged center of an atom.
(3) The number of inner transition elements is greater than the number of transition elements.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 51

Choose the appropriate electron configuration for an element whose third shell contains six electrons.

A) 1s²2s²2p⁶3s²3p⁶
B) 1s²2s²2p⁶3s²3p⁴
C) 1s²2s²2p⁶3s¹
D) 1s²2s²2p⁵

Question 52

Choose the appropriate electron configuration for an element with no unpaired electrons.

A) 1s²2s²2p⁶3s²3p⁶
B) 1s²2s²2p⁶3s²3p⁴
C) 1s²2s²2p⁶3s¹
D) 1s²2s²2p⁵

Question 53

Choose the appropriate electron configuration for an element that has two unpaired electrons.

A) 1s²2s²2p⁶3s²3p⁶
B) 1s²2s²2p⁶3s²3p⁴
C) 1s²2s²2p⁶3s¹
D) 1s²2s²2p⁵

Question 54

Choose the appropriate pair of atoms that contain the same number of neutrons.

A)
B)
C)
D)

Question 55

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) Most of the mass of an atom is concentrated in its nucleus.
(2) Sufficient information is present on a "standard" periodic table to determine the number of neutrons present in atoms of an element.
(3) An atom whose electron configuration is 1s²2s²2p⁶3s¹ contains 12 electrons.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 56

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) An electron configuration specifies subshell occupancy for electrons.
(2) The atomic number is double the mass number for atoms that contain an equal number of protons and neutrons.
(3) All occupied orbitals are completely filled in atoms of the element neon, which contains a total of 12 electrons.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 57

Characterize EACH of the following statements as being TRUE or FALSE and then indicate the collective true-false status using the choices provided. (1) All of the major minerals in the human body are metals.
(2) Iron is the most abundant transition metal in the human body.
(3) Deuterium is an isotope of hydrogen in which two protons are present.

A) All three statements are true.
B) Two of the three statements are true.
C) Only one of the statements is true.
D) None of the statements is true.

Question 58

Choose the appropriate pair of atoms that contain the same number of subatomic particles.

A)
B)
C)
D)

Question 59

Choose the correct atom that has an atomic number of 17.

A)
B)
C)
D)

Question 60

Choose the appropriate pair of atoms that contain the same number of protons.

A)
B)
C)
D)

Question 61

Choose an appropriate pair of elements that are in the d area of the periodic table.

A) (₃₇Rb and ₃₈Sr)
B) (₇N and ₈₂Pb)
C) (₉F and ₁₇Cl)
D) (₄₂Mo and ₇₅Re)

Question 62

Choose an appropriate pair of elements that have similar chemical properties.

A) (₃₇Rb and ₃₈Sr)
B) (₇N and ₈₂Pb)
C) (₉F and ₁₇Cl)
D) (₄₂Mo and ₇₅Re)

Question 63

Which of the following elements is a transition element?

A) (₉F)
B) (₅₀Sn)
C) (₇₉Au)
D) (₉₂U)

Question 64

Which of the following elements is both a metal and a representative element?

A) (₉F)
B) (₅₀Sn)
C) (₇₉Au)
D) (₉₂U)

Question 65

Which of the following elements is both a nonmetal and a representative element?

A) (₉F)
B) (₅₀Sn)
C) (₇₉Au)
D) (₉₂U)

Question 66

Which of the following elements is an inner-transition element?

A) (₉F)
B) (₅₀Sn)
C) (₇₉Au)
D) (₉₂U)

Question 67

Choose an appropriate pair of elements that have electron configurations ending in p⁵.

A) (₃₇Rb and ₃₈Sr)
B) (₇N and ₈₂Pb)
C) (₉F and ₁₇Cl)
D) (₄₂Mo and ₇₅Re)

Question 68

Choose an appropriate pair of elements that are in the same period of the periodic table.

A) (₃₇Rb and ₃₈Sr)
B) (₇N and ₈₂Pb)
C) (₉F and ₁₇Cl)
D) (₄₂Mo and ₇₅Re)

Question 69

Choose an appropriate pair of elements that are in the same group of the periodic table.

A) (₃₇Rb and ₃₈Sr)
B) (₇N and ₈₂Pb)
C) (₉F and ₁₇Cl)
D) (₄₂Mo and ₇₅Re)

Question 70

Which of the following elements is a halogen?

A) (₉F)
B) (₅₀Sn)
C) (₇₉Au)
D) (₉₂U)