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musickatia [10]
3 years ago
13

The ground-state electron configuration for an element is

Biology
1 answer:
AlekseyPX3 years ago
8 0

Answer:

[Ar]3d⁷4s²is the ground state of Cobalt .

Cobalt has 27 as  atomic number  

So the first 18 is written as [Ar]  at the start of its notation to shows that  it was condense from 1s²2s²2p⁶3s²3p⁶ and written as this noble gas notation before the addition of the remaining 9 as3d⁷4s²

This element, cobalt is a ferromagnetic metal and is located in group VIII of the periodic table.

Read more here:https://brainly.in/question/24303288

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