Question

18. How does the combining capacity of the elementsdepend on the number of electrons present in valence shell?​

Answer 1

Answer:

Valence electrons are the number of electrons present in the outermost shell of an atom and they are the one which decides the valency (combining capacity of an element)

Explanation:

The electrons present in the outermost shell are the one which the atom losses or gains and depending on this elements are classified as metals and non metals. All the elements losses or gains an electron in order to become inert structures so to attain these structure depending on the number of electron in the outermost shell they lose or gain an electron

Answer 2

The reactivity of the element is defined as its tendency to attain noble gas configuration,and to attain noble gas configuration the number of electrons that needs to be gained loosed or shared depends on the number of electrons in the valence shell