Chemistry, 21.06.2019 21:00 gilbert325
Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!
Answers: 2
![[Co]=[Ar]3d^74s^2](/tpl/images/0001/5866/207ab.png)
with 27 electrons in its ion.![[Cu]=[Ar]3d^{10}4s^1](/tpl/images/0001/5866/83f92.png)
![[Cu^{2+}]=[Ar]3d^{9}4s^0](/tpl/images/0001/5866/4530d.png)
with 27 electrons in its ion.![[Ni]=[Ar]3d^{8}4s^2](/tpl/images/0001/5866/94451.png)
![[Ni^{1+}]=[Ar]3d^{8}4s^1](/tpl/images/0001/5866/cc942.png)
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Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!...
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