Revision Flashcards
Rule for naming salts?
Metal + Acid (past tense)
Neutralisation
Acid and alkali together -> neutralisation takes place
Acid + base -> Salt + Water
pH = 7
Salt formed from Hydrochloric Acid?
Chloride
Salt formed from Nitric Acid?
Nitrate
Salt formed from Sulphuric Acid?
Sulphate
Ions present in Acids?
Hydrogen (H+)
Ions present in Alkalis?
Hydroxide (OH-)
Acid + Metal —>
Salt + Hydrogen
Acid + Base —>
Salt + Water
Strong Acid pH?
1-3
Weak Acid pH?
4-6
Neutral pH?
7
Weak Base pH?
8-11
Strong Base pH?
12-14
H2SO4
Sulphuric Acid
NaOH
Sodium Hydroxide
HNO3
Nitric Acid
Name for positive ions?
Cations
Name for negative ions?
Anioms
If an atom must loose electrons to become stable it will be a?
Positive ion
If an atom must gain electrons to become stable it will be a?
Negative ion
5 physical properties of metal
- Shiny
- Malleable
- Ductile
- Sonorific
- Solid
Metal + Oxygen —>
Metal Oxide
When metal reacts with water it gives off?
Hydrogen and a metal hydroxide or oxide
What is an acid?
A hydrogen containing substance capable of donating a proton (hydrogen ion)
What is a base?
A molecule or ion able to accept a hydrogen ion from an acid