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What element has three electrons in its 5d sublevel?

Select one:
a. Nd
b. Nb
c. Ta
d. U

User Ksming
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C. Ta
Tantalum is an element with an atomic number of 63 and its electronic configuration is:
[Xe] 4f¹⁴ 5d³ 6s²
User Kanak Vaghela
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