State the type of compounds formed by transfer of valence electrons from one atom to another, and explain the method of formation of the same. State the role of 'cations' and 'anions' in their formation.

Name the type of chemical bond formed by a complete transfer of electrons from the valence shell of one atom to the valence shell of another atom.

With reference to formation of compounds from atoms by electron transfer - electrovalency, state the basic steps in the conversion of sodium & chlorine atoms to sodium & chloride ions leading to the formation of the compound - sodium chloride. [electronic configuration of: Na = 2,8,1 & Cl = 2,8,7]

State true/false: A bond formed by a shared pair of electrons with both electrons coming from the same atom is a covalent bond.

In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound ?

Differentiate between the pairs based on the information given in the brackets : Cations and anions (formation from an atom)

Which of the following complex has same oxidation state of the central metall atom in the cationic and anionic part ?

Valence electrons in the atom of element A is 4 and in the element B is 2. Most probable compound formed from A and B is

Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of

Fill in the blanks with the appropriate word/s from the brackets. NaCl an eletrovalent compounds is formed as a result of transfer of _____ [ one, two, three] valence electrons from metallic sodium to non- metallic chlorine atom. CaO is similarly formed as a result of transfer of ____ [ one, two, three] valence electron/s from metallic calcium to non- metallic oxygen and megnesium chloride by transfer of ____ [ one, two, three] valence electron/s from ____ [one, two] magnesium atom/s to ____[one, two] chlorine atom/s.

The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.