science
Grade-9
Easy
Question
How many numbers of electrons does d-orbital have in manganese atom?
- 4
- 5
- 6
- 3
Hint:
The number of electrons in the d orbital of the manganese atom is 5.
The correct answer is: 5
- The atomic number of manganese is 25.
- 25 electrons are distributed in the shells of manganese according to the increase in energy level.
- The electronic configuration of manganese is 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d5.
- The d orbital has 5 electrons.
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