What is the atomic number of Tantalum?
67.8
73
55.5
96
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Hafnium?
99
72
33
77
Correct answer is B
No explanation has been provided for this answer.
What is the atomic number of Lutetium?
87
47
71
56
Correct answer is C
No explanation has been provided for this answer.
What is the atomic number of Ytterbium?
65
98
46
70
Correct answer is D
No explanation has been provided for this answer.
What is the atomic number of Thulium?
69
83
55
88
Correct answer is A
No explanation has been provided for this answer.