Question

TODO ÁTOMO EN ESTADO LIBRE NO COMBINADO TIENE COMO VALENCIA: ?

Answer 1

Respuesta:

Valency is the combining capacity of an element. It is always a whole number. It has no plus or minus sign. The electrons present in the outermost shell of an atom are known as ‘Valence Electrons’. We can say valency is the number of electrons an element can lose or gain to attain stability. Valency is used to write the chemical formula of a compound. It means by valency we can know how the atoms of an element will combine with atoms of another element.

Explicación:

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