What did the chloroplast’s ancestor provide the large prokaryotic cell it lived in? No links please
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Ответ:
Option (b) is the correct answer.
Explanation:
Metallic bonds are defined as the bonds formed due to attraction between free electrons of a metal with another metal.
It is known that iron is a transition metal whose electronic configuration is![[Ar]4s^{2}3d^{6}](/tpl/images/0338/5235/5d7ff.png)
.
So, in order to attain stability when an iron atom bonds with another iron atom then it requires more number of electrons in order to completely fill its d-shell.
Hence, we can conclude that valence electrons of iron (Fe) atoms will rearrange to form the bonds as many valence electrons are shared between the atoms.