Question

a) The number of electrons lost or gained by an atom refers to
i) Electrovalency ii) Covalency iii) Electronegativity iv) Acceptance​

Answer 1

Answer:

I) Electrovalency

Explanation:

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Answer 2

The number of electrons lost or gained by an atom refers to Electrovalency. Option 1 is the correct answer.

• When an element forms a bond with another element either by gaining or by losing the electrons it leads to bond formation.
• The Combining capacity of an element with another element to form a chemical bond.

Example: The Electrovalency of Na and Cl in NaCl is 1. Since Na loses an electron to form the bond and Cl gains the electrons given by Na. So the Electrovalency of Na and Cl is +1.

• Covalency is defined as the number of covalent bonds formed when two atoms are combined to form a covalent bond.

• Electronegativity is defined as the willingness of an atom to participate in the bond formation and attract the electron pairs. The higher value of Electronegativity implies the greater power to attract the electron pairs towards them. Hence greater values of electronegativity favor relatively easier bond formation.

Therefore, Option (i) Electrovalency is the correct answer.