Question

Show the formation of - sodium chloride , magnesium chloride , sodium oxide and magnesium oxide.​

Answer 1

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Sodium chloride:-

• Sodium and chlorine contain one and seven electrons, respectively, in their outermost shells.
• Hence, sodium transfers its one electron to chlorine atom and their octets get stabilised.
• In a sodium chloride molecule, sodium atom transfers its one electron to chlorine atom to form an ionic bond.

Magnesium Chloride:-

• Magnesium reacts with chlorine by losing two electrons and on the other hand chlorine reacts by gaining the electrons lost by magnesium.
• In this a reaction takes place and thus a compound known as Magnesium Chloride is formed.

Sodium Oxide:-

• Sodium has atomic number 11, shows the electronic configuration 2,8,1 to become complete by it's octet state.
• Sodium looses it's 1 electron and forms the sodium ion Na+ (2,8). 3.
• Due to the opposite charges, there is a attraction between this two ions and one new chemical bond is formed.

Magnesium Oxide:-

• Using the electronic configurations, explain how magnesium atom combines with oxygen atom to form magnesium oxide by transfer of electrons.
• Magnesium (Mg) loses two electrons from its outermost shell and becomes Mg2+, while oxygen(O) gains two electrons to become O2- .

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