DEFINE WHAT IS VALENCY AND VALENCE ELECTRONS
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Valence electrons → Total number of electrons in outermost shell (also called as valence shell) is called as valence electrons.
Valency → The number of electrons an element can donate or gain or share in order to complete its outermost shell is call as valency.
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hey mate here your answer goes
•Valency- The valency of an element is measure of it's combing power with other sons when it forms chemical compound or molecule. The concept of valency developed in second half of the nighteen century.
•Valence electron- In chemistry valency electron is an outer shell electron that is associated with an atom, and that can participate in the formation of chemical bond if the outer shell is not closed, in a single covalent bond, both atom in the bond contribute one Valence electron in order to form shared pair
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•Valency- The valency of an element is measure of it's combing power with other sons when it forms chemical compound or molecule. The concept of valency developed in second half of the nighteen century.
•Valence electron- In chemistry valency electron is an outer shell electron that is associated with an atom, and that can participate in the formation of chemical bond if the outer shell is not closed, in a single covalent bond, both atom in the bond contribute one Valence electron in order to form shared pair
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please mark it as brainliest hopefully
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