11.3 representing the formulae of organic compounds

Question 1

what does the molecular formula show?

Answer 1

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

Question 2

empirical formula definition

Answer 2

simplest whole- number ratio of the atoms of each element in a compound

Question 3

general formula definition

Answer 3

simplest algebraic formula for any member for any member of a homologous series

Question 4

what does the displayed formula show?

Answer 4

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

Question 5

what does the structural formula use?

Answer 5

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

Question 6

what do you remove in skeletal formula?

Answer 6

• all of the carbon and hydrogen labels from carbon chains

- any bonds to hydrogen atoms

Question 7

what does a line represent in skeletal formulae?

Answer 7

a single bond

Question 8

what does an intersection of 2 lines represent in skeletal formulae?

Answer 8

a carbon atom

Question 9

what does the end of a line represent in skeletal formulae?

Answer 9

CH3 group