btaylor1179
08.05.2021 •
Chemistry
How could you identify that two elements have formed an ionic bond?
1) if one element has transferred valence electrons to another element’s valence shell, forming a cation and anion
2)if both of the elements involved are metals that will form cations through the transfer of valence electrons
3)if the elements share valence electrons with each other in the valence shell, forming a cation and anion
4) if both of the elements involved are nonmetals that will form anions through the sharing of valence electrons
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Ответ:
Band theory
The atomic orbitals of metals combine to form molecular orbitals. The molecular orbitals are so close in energy that they form a band of energies.
Ionic bond theory is incorrect because there are no ions in metals.
Covalent bond theory is incorrect because there are no covalent bonds in metals.
Electron bond theory is incorrect because there is no theory with that name (but there is a valence bond theory).