4 but it will need energy, so carbon gain 4 electrons to achieve a noble gas configuration.
loses 2 electrons to achieve a noble gas configuration
carbon has to gain or lose 4 electrons to gain noble gas configuration.
nitrogen has 5 valence electrons. It should gain 3 electrons to achieve a noble gas configuration.
Oxygen should gain 2 electrons to achieve noble gas configuration
Selenium should gain two electrons and lose six electrons to achieve a noble gas electron configuration.
Calcium has to lose 2 electrons to form noble gas configuration.
By transfer or sharing of electrons.
Aluminum needs to lose 3 electrons to gain a noble gas electron configuration.
Losing an electron cesium has a noble gas configuration.
nitrogen should give 5 electrons (or better gain 3 electrons) to attain noble gas configuration.
They usually achieve "Noble Gas" configuration
They usually achieve "Noble Gas" configuration