11.3 Representing Formulae Of Organic Compounds

Question 1

What does molecular formula show?

Answer 1

The number and type of atoms of each element present in a molecule

Question 2

What does empirical formula show?

Answer 2

Simplest whole number ratio of atoms of each element present in a compound

Question 3

What is the general formula?

Answer 3

Simplest algebraic formula for any member of a homologous series

Question 4

Displayed formula

Answer 4

Shows relative positioning of all the atoms in a molecule and the bonds between them

Question 5

Structural formula

Answer 5

Uses the smallest amount of detail necessary to show the arrangement of the atoms in a molecule

Question 6

What is skeletal formula?

Answer 6

Simplified organic formula - remove all hydrogen and carbon labels from carbon chains and any hydrogen bonds

Question 7

Skeletal formula meaning

Answer 7

Line - single bond
Intersection of two lines - Carbon atom
End of a line - shows a CH3 group