Chemical Bonding, Properties and Structure - Covalent Bonding

Question 1

what happens when atoms share pairs of electrons

Answer 1

the form covalent bonds, these bonds are strong

Question 2

covalently bonded substances may consist of what

Answer 2

both small and very large molecules as well as some giant covalent structures, such as diamond

Question 3

what is the limitations of using dot cross, ball and stick, two and three dimensional diagrams

Answer 3

it is not to scale. it gives no information about the forces of attraction between the ions, or the movement of electrons to form the ions.