Please enable JavaScript.
Coggle requires JavaScript to display documents.
C4 (Reactivity of metals, Reactions of acids) - Coggle Diagram
C4
Reactivity of metals
When metals react, the metal atoms loose electrons to become positive ions
The more reactive a metal is the more vigorous the reaction and the more easily it can loose electrons
Reactivity series
Potassium, sodium, lithium
-
-
-
-
Zinc and iron
Zinc no reaction, iron rusts slowly with cold water
-
When a metal reacts with water a metal hydroxide and hydrogen are formed,
When a metal reacts with a dilute acid, a salt and hydrogen are formed e.g. magnesium + hydrochloric acid --> magnesium chloride +hydrogen
Reaction with oxygen
Many metals react with oxygen to make metal oxides, for example, magnesium rapidly burns in air
-
-
-
Redox reactions
If a ion appears on both side of the equation and doesn't change it is a spectator ion and can be taken out to write a half equation
You can see from half equations that both oxidation and reduction are happening at the same time, so it is a redox reaction
Reactions of acids
Neutralisation
-
Bases that are soluble in water are called alkalis as they dissolve in water to form an alkaline solution
-
-
-