Bonding & Structure

Question 1

What is a Covalent Bond

Answer 1

The electrostatic attraction between a shared pair of electrons and the nuclei of bonded atoms

Question 2

What is a Co-ordinate Bond

Answer 2

A shared pair of electrons between two atoms where one atoms provides both electrons

Question 3

What is the Octet Rule

Answer 3

When reacting, and atoms tends to gain, lose or share electrons to achieve 8 in its outer shell

Question 4

What is Electronegativity

Answer 4

The extent to which an atom attracts the binding electrons in a covalent bond

Question 5

What is a Polar Bond

Answer 5

A covalent bond in which there is unequal sharing of the bonding electrons

Question 6

What is Delocalised Electrons

Answer 6

Outer electrons that do not have a fixed position and move freely

Question 7

What is van der Waals’ forces

Answer 7

The attraction between instantaneous and induced dipoles on neighbouring molecules

Question 8

What is Permanent dipole-dipole forces

Answer 8

Attraction between the positive ends of the permanent dipole on a molecule with the negative end of the permanent dipole of a neighbouring molecule

Question 9

What is a Hydrogen Bond

Answer 9

The attraction between a lone pair of electrons in a very electronegative atom (N,O,F) one molecule and a hydrogen atom in a neighbouring molecule, in which the hydrogen is covalently bonded to a very electronegative atom