Elements, Atoms, Ions, And The Periodic Table Worksheet With Answers (Page 14 of 14) in pdf

Elements, Atoms, Ions, And The Periodic Table Worksheet With Answers Page 14

44. Which of the following elements is most

57. T F Valence electrons are involved when

likely to form a 3+ ion?

atoms form bonds.

A. Li B. K C. Al D. N E. Cu

Ans. T

Ans. C

58. T F There are a maximum of 50 electrons in

45. Give the complete electronic configuration

principal energy level

of a sodium ion.

number five.

A. 1s22s22p5

Ans. T

B. 1s22s22p6

59. T F Atoms of the noble gas elements, Group

C. 1s22s22p63s1

VIII A (18), do not form

D. 1s22s22p63s2

bonds with any other elements.

E. 1s22s22p63s23p64s1

Ans. F

Ans. B

60. T F There are eight valence electrons in a

46. Which of the following ions does not follow

chloride ion.

the octet rule?

Ans. F

A. Na+ B. Ca2+ C. Al3+ D. N3- E. Cl2-

61. T F The ions formed from Group IIA (2)

Ans. E

atoms have charges of 2+.

47. Which of the following atoms has the

Ans. T

biggest size (radius)?

62. T F Cations tend to be formed from metal

A. Na B. Al C. Cl D. Rb E. I

atoms, while anions are

Ans. D

formed from non-metal atoms.

48. Which of the following elements has the

Ans. T

highest ionization energy?

63. T F The atoms of smallest radius are those

A. Li B. B C. O D. F E. Ne

of elements in top left

Ans. E

hand part of the periodic table.

49. Which of the following elements has the

Ans. F

lowest ionization energy?

64. T F The halogens (Group VII A (17)) have

A. Li B. B C. O D. F E. Ne

the lowest ionization

Ans. A

energies of any group in the periodic table.

50. The electron affinity is

A. the energy required to remove an electron

from an isolated atom

B. the force between two electrons in the same

orbital

C. the force between two ions of opposite

charge

D. the energy released when an isolated atom

gains an electron

E. the attraction of an atom for an electron in a

chemical bond

Ans. D

51. Which one of the following elements has the

highest electron affinity?

A. Li B. K C. Kr D. O E. Cl

Ans. E

52. T F In Mendeleev's table, the elements were

arranged according to

their atomic numbers.

Ans. F

53. T F There are nine periods on the periodic

table.

Ans. F

54. T F Sulfur (S) is one of the representative

elements.

Ans. T

55. T F Platinum (Pt) is a lanthanide element.

Ans. F

56. T F Tin (Sn) is a metalloid.

Ans. F

Elements, Atoms, Ions, And The Periodic Table Worksheet With Answers Page 14

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