formulae Flashcards
(6 cards)
1
Q
what is empirical formula?
A
simplest whole number ratio of atoms of each element in a compound
2
Q
what is molecular formula?
A
actual number of atoms of each element in one molecule of the compound
3
Q
what is displayed formula?
A
● every atom and bond in molecule
● show bond between O and H
4
Q
what is structural formula?
A
● shows unique arrangement of atoms in simplified form without showing all bonds
● read left to right starting with carbon
● branches in carbon chain are shown with brackets (only with carbon)
5
Q
what is skeletal formula?
A
● carbon-carbon bond represented with a straight line
● no hydrogens
6
Q
how are single, double and triple bonds represented?
A
● single: -
● double: =
● triple: ≡
