C3.6 Structure of simple molecules

Question 1

What are the limitations of the 2D ball and stick model?

Answer 1

➢ Does not show the true shape of the molecule

➢ Does not show the true angle that the compound is connected as

Question 2

What are the limitations of the dot and cross and diagram due to covalent bonding?

Answer 2

➢ Many scientists believe that the electrons in covalent bonds are constantly moving

Question 3

What are intermolecular forces?

Answer 3

➢ Forces of attraction between individual molecules

Question 4

What happens if you increase the size of the molecule?

Answer 4

➢ Increase the intermolecular force

Question 5

Why do compounds made up of simple molecules cannot conduct electricity?

Answer 5

➢ Because there is no overall charge on the simple molecule

➢ Their neutral molecules cannot carry electrical charge

Question 6

What is the main factors that influences melting and boiling points?

Answer 6

➢ Intermolecular forces