Atoms and the Periodic Table Chapter 2 Verified Test Bank

General, Organic and Biological Chemistry, 4e (Smith)

Chapter 2 Atoms and the Periodic Table

1) Which element is a nonmetal?

A) K

B) Co

C) Br

D) Al

2) Which element is a metal?

A) Li

B) Si

C) Cl

D) Ar

E) More than one of the elements is a metal.

3) Which element is a metalloid?

A) B

B) C

C) Ar

D) Al

4) What is the mass number of the isotope with the symbol ?

A) 17

B) 18

C) 35.45

D) 37

5) What is the atomic number of the isotope with the symbol ?

A) 17

B) 18

C) 35.45

D) 37

6) How many protons are in the isotope with the symbol ?

A) 17

B) 18

C) 35.45

D) 37

7) Silicon has three naturally occurring isotopes: Si-28, Si-29, and Si-30. If the average atomic mass of silicon is 28.09, which isotope has the highest isotopic abundance?

A) Si-28

B) Si-29

C) Si-30

D) All isotopes have the same isotopic abundance.

8) The active ingredient in the drug Fosamax is a compound with the chemical formula C4H18NNaO10P2. Which statement concerning the chemical formula of this compound is FALSE?

A) Atoms of six different elements make up this compound.

B) Carbon, hydrogen, nitrogen, sodium, oxygen, and potassium atoms are present in this compound.

C) The ratio of carbon atoms to oxygen atoms is 4:10.

D) There is only one atom of nitrogen present in this compound.

9) Which element is a transition metal in period 4?

A) K

B) Hf

C) Sn

D) Sc

10) Which element is a noble gas?

A) H

B) Ne

C) Pr

D) Ra

E) More than one of the elements listed is a noble gas.

11) Which element is not an alkali metal?

A) Li

B) K

C) Rb

D) H

E) All of these elements are alkali metals.

12) Which element is not an alkali metal?

A) Li

B) Kr

C) Rb

D) Na

E) All of these elements are alkali metals.

13) The chemical reactivity of an element is determined by which of the following?

A) The number of protons in an atom of the element

B) The number of valence electrons in an atom of the element

C) The number of neutrons in an atom of the element

D) The number of protons and neutrons in an atom of the element

14) The element symbol for manganese is ________.

A) M

B) Ma

C) Mg

D) Mn

15) The element symbol for sulfur is ________.

A) S

B) Su

C) Sf

D) Sl

16) Which statement is not part of the modern description of the electronic structure of an atom?

A) Electrons occupy discrete energy levels.

B) Electrons move freely in space.

C) The energy of electrons is quantized.

D) The energy of electrons is restricted to specific values.

17) What is the maximum number of electrons that can occupy the third (n=3) shell?

A) 2

B) 3

C) 6

D) 8

E) 18

18) Which of the following properly represents the order of orbital filling based on the relative energy of the orbitals?

A) 1s,2s,2p,3s,3p,3d,4s,4p

B) 1s,2s,3s,4s,2p,3p,4p,3d

C) 1s,2s,2p,3s,3p,4s,3d,4p

D) 1s,2s,2p,3s,3d,3p,4s,4p

19) Which atom has the largest atomic radius?

A) K

B) Ga

C) Br

D) Rb

20) Which atom has the smallest atomic radius?

A) K

B) Ga

C) Br

D) Rb

21) Which element has the smallest ionization energy?

A) K

B) Ga

C) Br

D) Rb

22) How many protons are in the isotope  ?

A) 238

B) 146

C) 92

D) 330

23) How many neutrons are in the isotope ?

A) 238

B) 146

C) 92

D) 330

24) How many electrons are in the isotope ?

A) 238

B) 146

C) 92

D) 330

25) Which isotope is not possible?

A)

B)

C)

D)

E) More than one of the isotopes is not possible.

26) An atom of the isotope chlorine-37 consists of how many protons, neutrons, and electrons? (p = proton, n = neutron, e = electron)

A) 18 p, 37 n, 18 e

B) 17 p, 20 n, 17 e

C) 17 p, 20 n, 18 e

D) 37 p, 37 n, 17 e

E) 37 p, 20 n, 37 e

27) The elements in a column of the periodic table are collectively referred to as ________.

A) metals

B) a period

C) a group

D) a series

E) metalloids

28) Which element is most likely to be a good conductor of electricity?

A) Ar

B) N

C) F

D) Ni

E) O

29) Which element is chemically similar to lithium?

A) Sulfur

B) Magnesium

C) Iron

D) Lanthanum

E) Potassium

30) Which element is chemically similar to chlorine?

A) Sulfur

B) Calcium

C) Oxygen

D) Bromine

E) Argon

31) Which element is an s block element?

A) S

B) Ar

C) He

D) La

E) None of these elements is an s block element.

32) Which element is a d block element?

A) S

B) Ar

C) Ag

D) As

E) None of these elements is a d block element.

33) Which element has the following orbital diagram?

A) Li

B) Be

C) Na

D) Mg

34) Which element has the following orbital diagram?

A) O

B) N

C) C

D) Li

35) Which element has the following orbital diagram?

A) Ar

B) Cl

C) F

D) S

36) Which element has the following orbital diagram?

A) Mg

B) K

C) Na

D) S

37) The proper electron-dot symbol for aluminum is ________.

A)

B)

C)

D)

38) The electron configuration of chlorine is 1s22s22p63s23p5. Which statement about chlorine is incorrect?

A) Chlorine has five valence electrons

B) Chlorine's valence shell is the third shell

C) Chlorine has five electrons in the 3p subshell

D) Chlorine has 17 total electrons

39) What is the symbol for the isotope with A = 31 and Z = 15?

A)

B)

C)

D)

40) In the diagram below, which highlighted element is an f block element?

A) A

B) B

C) C

D) D

E) E

41) Which statement describing atoms is FALSE?

A) The number of protons in an atom is referred to as the atomic number of the atom.

B) The total number of protons, neutrons, and electrons in an atom is referred to as the mass number of the atom.

C) Protons and neutrons are located in the nucleus of an atom.

D) Electrons are located in the space outside the nucleus called the electron cloud.

42) Antimony is a metalloid containing 51 protons that is alloyed with lead and used in car batteries. What is the element symbol for antimony?

A) A

B) An

C) At

D) Sb

E) Cr

43) Which statement concerning the elements fluorine, chlorine, bromine, and iodine is INCORRECT?

A) These elements are all halogens.

B) These elements all have the same valence shell.

C) These elements are all nonmetals.

D) These elements all have the same number of valence electrons.

44) A sulfur atom has a larger atomic radius than an oxygen atom. Which statement best explains why?

A) Sulfur contains more electrons than oxygen does.

B) Sulfur contains more protons than oxygen does.

C) The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is.

D) The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom.

45) Zirconium (Zr) is an element classified as a metal. Which property cannot be assumed based on its classification as a metal?

A) Zr has a relatively high density

B) Zr is a trace element in the body

C) Zr is a good conductor of electricity

D) Zr is a shiny solid

46) Which element is located in period 3, Group 3A?

A) Al

B) S

C) Si

D) B

47) What is the Period and Group for the element Bromine?

A) Period 4, Group 7A

B) Period 7, Group 4A

C) Period 2, Group 3A

D) Period 6, Group 2A

48) What is the period and Group for the element Boron?

A) Period 2, Group 13A

B) Period 3, Group 3A

C) Period 2, Group 3A

D) Period 4, Group 8A

49) Protons and electrons reside in the nucleus of an atom.

50) Electrons are negatively charged and have the smallest mass of the three subatomic particles.

51) The nucleus contains most of the mass of an atom and is positively charged.

52) All atoms of the same element contain the same number of protons.

53) An alloy is a mixture of two or more elements that has metallic properties.

54) Fl is the element symbol for fluorine.

55) The element symbol S represents sodium.

56) Hydrogen is located in group 1A but it is not considered an alkali metal.

57) The element symbol for iron is Fe.

58) Helium is an s block element.

59) Nonmetals have a shiny appearance, and they are generally poor conductors of heat and electricity.

60) All elements have at least two naturally occurring isotopes.

61) Oxygen, carbon, hydrogen, and nitrogen are called the building-block elements because they make up the majority of the mass of the human body.

62) A compound is a pure substance formed by chemically combining two or more elements together.

63) The farther a shell is from the nucleus, the larger its volume becomes, and the more electrons it can hold.

64) The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

65) The 5s orbital is lower in energy than the 4d orbital.

66) The electron-dot symbol for barium is .

67) Magnesium is a metal.

68) Sulfur is a metal.

69) All metals are solids at room temperature.

70) The maximum number of electrons that can occupy the 3d subshell is ten (10).

71) Phosphorus has 15 valence electrons.

72) A bromine atom is smaller than a potassium atom.

73) Iodine has smaller ionization energy than chlorine.

74) The electron configuration for calcium is 1s22s22p63s23p64s2.

75) When orbitals are equal in energy, one electron is added to each orbital until the orbitals are half-filled, before any orbital is completely filled.

76) When two electrons occupy the same orbital they have paired spins—that is, the spins are opposite in direction.

77) Group 6A elements have the general electron configuration of ns2np6.

78) The electron cloud contains most of the volume of an atom.

79) Bromine is abbreviated by the two-letter symbol BR.

80) A column in the periodic table is called a period.

81) An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

82) The atomic weight of an element is the sum of the masses of the naturally occurring isotopes of the element.

83) Strontium and barium have similar chemical properties.

84) The number of electrons that an orbital can contain depends on the type of orbital.

85) Fluorine has higher ionization energy than neon.

86) An iodine atom is larger than both a krypton atom and a tellurium atom.

87) Radium is a noble gas.

88) The chemical formula S8 represents a compound.

89) Identify the element with the ground state electron configuration 1s22s22p63s23p6.

A) argon, Ar

B) calcium ion, Ca2+

C) chlorine, Cl

D) krypton, Kr

E) potassium ion, K+

90) Identify ground state electron configuration for the element aluminum. Select all that apply.

A) 1s22s83s3

B) 1s22s22p63s23p1

C) 3s23p1

D) [Mg]3p1

E) [Ne]3s3

F) [Ne]3s23p1

91) The electrons in the outermost shell of an atom are called the ________ electrons.

92) The name of the halogen in period 3 is ________.

93) Identify the isotope where A equals 49 and Z equals 22.

A) Indium-22

B) Indium-27

C) Indium-49

D) Titanium-22

E) Titanium-27

F) Titanium-49

G) None of the choices are correct.

94) Isotopes of the same element have the same number of ________.

95) Elements in the same group have the same number of ________.

A) core electrons

B) electrons

C) neutrons

D) protons

E) valence electrons

96) Iron-56 contains ________ neutrons.

A) 56

B) 53

C) 30

D) 26

E) 3

97) Tungsten is a metal containing 74 protons that is widely used in the electronics industry. What is the elemental symbol for tungsten?