Periodic Table Questions & Answers - Page 6

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26.

What is the atomic number of Neptunium?

A.

93

B.

65

C.

34

D.

66

Correct answer is A

No explanation has been provided for this answer.

27.

What is the atomic number of Uranium?

A.

96

B.

100

C.

89

D.

92

Correct answer is D

No explanation has been provided for this answer.

28.

What is the atomic number of Protactinium?

A.

92

B.

91

C.

40

D.

56

Correct answer is B

No explanation has been provided for this answer.

29.

What is the atomic number of Thorium?

A.

13

B.

66

C.

144

D.

90

Correct answer is D

No explanation has been provided for this answer.

30.

What is the atomic number of Actinium?

A.

87

B.

88

C.

89

D.

90

Correct answer is C

No explanation has been provided for this answer.