Question 3 of 20 :
Select the best answer for the question.
3. The atomic number of niobium (Nb) is 41. What's the electron configuration for Nb?
O A. [Ar] 3s 4p?
O B. [Kr] 5s? 5p
O C. [Kr] 4d45s
O D. (Ne) 4d

Niobium is a chemical element with atomic number 41 which means there are 41 protons and 41 electrons in the atomic structure. The chemical symbol for Niobium is Nb. Neutron Number and Mass Number of Niobium Mass numbers of typical isotopes of Niobium are 93.

Name of Element : Niobium

Atomic Weight : 92.9

Atomic Number : 41

Group : Transition Elements

Electron Configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d3

Question 3 of 20 : Select the best answer for the question. 3. The atomic number of niobium (Nb) is 41. What's the electron configuration for Nb? O A. [Ar] 3s 4p? O B. [Kr] 5s? 5p O C. [Kr] 4d45s O D. (Ne) 4d

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Question 3 of 20 :
Select the best answer for the question.
3. The atomic number of niobium (Nb) is 41. What's the electron configuration for Nb?
O A. [Ar] 3s 4p?
O B. [Kr] 5s? 5p
O C. [Kr] 4d45s
O D. (Ne) 4d