FC9

Question 1

Definition of covalent bond

Answer 1

Attraction of a shared pair of electrons for the nuclei of the bonded atoms

Question 2

What are the electrons in the outer shell not involved in bonding called?

Answer 2

Lone pairs

Question 3

Definition of dative covalent bond

Answer 3

When both of the electrons in the covalent bond are provided by the same atom

Question 4

Definition of electron pair repulsion

Answer 4

When the electron pairs in the outer shell of the central atom in a molecule repel each other and therefore arrange themselves to be as far away from each other as possible