ACIDS AND BASES Flashcards
1
Q
acids
A
substances with low pH
2
Q
bases
A
substances with high pH
3
Q
how is pH determined?
A
by the concentration of hydrogen ions in a fluid
4
Q
what is a hydrogen ion?
A
single atom of hydrogen that lost its electron and has a positive charge
5
Q
acids have a pH of what?
A
less than 7 (<7)
6
Q
when you step down the pH scale it becomes
A
10x more acidic
7
Q
molecules that can accept a hydrogen ion from a solution
A
bases
8
Q
hydroxide ions
A
have a strong base
