7
None - the electron goes from sodium TO the chlorine.
One chlorine atom has 7 electrons in its outer shell, and sodium has 1 electron in its outer shell. Therefore, sodium can donate its electron to chlorine, forming a stable compound where chlorine has a full outer shell with 8 electrons.
Chlorine needs to gain one electron to have a full outer shell and achieve a stable electron configuration.
Chlorine has 7 electrons in its outer shell. It needs one more electron to achieve a full outer shell of 8 electrons, which is why chlorine typically gains an electron to form Cl- ion in chemical reactions.
chlorine has 6 electrons in the outer shell. although these have a special name, they are called valance electrons.
Sodium has 1 electron in its outer shell, while chlorine has 7 electrons in its outer shell. To achieve a stable electron configuration, sodium will donate its electron to chlorine, forming an ionic bond. This results in sodium losing 1 electron and chlorine gaining 1 electron to form sodium chloride.
In the ionic bond between sodium and chlorine in NaCl, one electron is transferred from the sodium atom to the chlorine atom. Sodium loses one electron to achieve a stable electron configuration with a full outer shell, while chlorine gains the electron to also achieve a full outer shell.
Chlorine has 7 electrons in its outer shell.
Chlorine can donate one electron to achieve a stable electron configuration. It tends to form anions by gaining one electron to reach a full outer shell.
Chlorine needs one more valence electron to have a complete outer shell. It can achieve this by gaining an electron to fill its 3p orbital and achieve a stable electron configuration similar to a noble gas.
7
1 additional electron will give chlorine 8 in the valence. You can see in the Periodic table, that Chlorine is next to Argon ( 1 to the left of it) so it needs 1 more electron to have the same configuration as Argon.