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Write the atomic number of the element with the following electronic configuration 1s2 2s2 2p6 3s2 3p6 3d7 4s2

Write the atomic number of the element with the following electronic configuration 1s2 2s2 2p6 3s2 3p6 3d7 4s2
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Write the atomic number of the element with the following electronic configuration

1s2 2s2 2p6 3s2 3p6 3d7 4s2

asked
User GavinWoods
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1 Answer

8 votes

Answer:

Atomic Number: 27 (Co, Cobalt)

Step-by-step explanation:

4s2 is before 3d7*

answered
User Henrywallace
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