what is the valency of sodium
Valency is the combining capacity of an element. It is the number of electrons in an atom that actually take part in bond
formation. For example, carbon atom with an atomic number 6 has 4 valence electrons.K LC6 2 4 Carbon atom is capable of forming 4 bonds. Hence its valency is four.
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The valency of an element represents its combining power with other elements. It indicates the number of electrons an atom of that element can gain, lose, or share in order to achieve a stable electron configuration.
To determine the valency of an element, you need to look at its electron configuration, specifically the outermost energy level or valence shell. For sodium (Na), which is in the third period of the periodic table, its electron configuration is 2-8-1, with one electron in its outermost energy level.
To achieve a stable electron configuration, sodium can lose this outermost electron, resulting in a full valence shell of 8 electrons in the second energy level. Therefore, the valency of sodium is +1, indicating that it tends to lose one electron during a chemical reaction and form a sodium ion with a +1 charge.
In summary, the valency of sodium is +1, and it can be determined by looking at its electron configuration and the number of electrons it tends to gain or lose to achieve a stable electron configuration.