Oxides Flashcards
1
Q
what is an oxide
A
a molecule with one or more oxygen bonded to it
2
Q
acidic oxide.
A
combines with water to give an acid
3
Q
basic oxide
A
combines with water to give a base
4
Q
amphoteric
A
can be base or acid,
5
Q
The oxides of elements in a period
A
become progressively more acidic as one goes from left to right in a period of the periodic table. For example, in third period, the behavior of oxides changes as follows:
6
Q
Electronegative elements form
A
acidic oxides
7
Q
electropositive elements form
A
basic oxides
8
Q
. Elements with intermediate electronegativity
A
form amphoteric oxides
9
Q
basic oxides
A
e+ and OH
10
Q
Acidic Oxides
A
EO - H+
11
Q
pKa
A
= 8-5n for EOn
(OH)m
