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When the electron shells of two atoms overlap, a chemical bond will be formed.
It becomes a negative ion.
Formation of the cation (positive ion) Na+.
An ionic bond is a bond that is resulted between two atoms because of an electron transfer. This happens by thephenomenaatoms have to be attracted to other atoms who will complete their valence electron shell.
The overall of an atom is a nucleus (protons and neutrons), and 1 or 2 electrons. The rest are for large atoms: an electron shell, electrons, an electron shell, electrons, an electron shell, electrons, an electron shell, electrons, an electron shell, electrons, an electron shell, electrons, an electron shell, electrons.
An ion is an atom with a net electric charge. An ion is formed when an atom either gains or loses a valence electron. Atoms with an unfilled outer shell tend to gain or lose electrons so they can achieve a filled outer shell. Atoms that gain an electron are negative ions, and atoms that lose an electron are positive ions.
The atoms in the valance shell. The atoms furthest from the nucleus. ( ' highest ' )
This electron is a valance electron.
There is one electron in sodium's valance shell.
The atoms are unchanged in any chemical reaction. Only the outer electron shell is affected as chemical bonds are formed.
The nucleus and the electron shell
The electron outside the shell donate its electron to the one inside the shell
one answer i know is shell the electron whiz around the centre of atoms are shells