Reactivity Series Flashcards
What are the reactivity series of metals?
Potassium, Sodium, Lithium, Calcium, Magnesium, Aluminium, Carbon, Zinc, Iron, Hydrogen, Copper, Silver Gold.
What metals react with water?
Potassium, Sodium, Lithium, Calcium
What metals react with dilute acids?
Calcium, Magnesium, Zinc, Iron, Copper, Silver, Gold
What is displacement reactions of metal oxides?
a more reactive metal will displace the less reactive metal in a reaction
What is oxidation?
Oxidation is the loss of electrons and gain of oxygen to an element
What is reduction?
Reduction is the gain of electrons and loss of oxygen to an element
What is oxidizing agent?
chemical that causes oxidation
What is reducing agent?
chemical that causes reduction
How is rust made?
iron and steel + water or oxygen
Why doesn’t aluminium rust?
It has a natural layer of aluminium oxide which protects it from oxygen or water
How do you prevent rusting?
oiling, greasing, painting, coating with thing later of plastic
What is galvanizing?
iron or steel is used to prevent rust. Zinc and Magnesium is also used as sacrifical protection