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It should lose two electrons
The noble gas configuration for Sr (strontium) is [Kr]5s2
Either by losing or gaining electrons (and forming ionic compounds) or by sharing of electrons (and forming covalent compounds).
By gaining, losing or sharing electrons and forming chemical bonds / compounds
The noble gas configuration for Sr (strontium) is [Kr]5s2
The noble gas configuration of strontium is [Kr]5s2.
It should lose two electrons
2
The bipositive ion of strontium takes the electron configuration of xenon.
The noble gas configuration for Sr (strontium) is [Kr]5s2
Either by losing or gaining electrons (and forming ionic compounds) or by sharing of electrons (and forming covalent compounds).
By gaining, losing or sharing electrons and forming chemical bonds / compounds
The noble gas configuration for Sr (strontium) is [Kr]5s2
loses 2 electrons to achieve a noble gas configuration
Metals like sodium,potassium get noble gas configuration by losing electrons. Elements like nitrogen,oxygen get noble gas configuration by gaining electrons. Halogens get noble gas configuration by sharing electrons.
Iodine accepts one electron to achieve noble gas configuration. Strontium loses two electrons to achieve noble gas configuration. Nitrogen accepts three electrons to achieve noble gas configuration. Krypton already has a noble gas configuration.
Aluminum needs to lose 3 electrons to gain a noble gas electron configuration.