15/11/2018 Reactivity series.

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Presentation transcript:

15/11/2018 Reactivity series

Reactions of metals with oxygen 15/11/2018 When a metal reacts with oxygen it will form a METAL OXIDE. This is what happens when a metal rusts. We can make this reaction happen quicker by burning the metal. METAL + OXYGEN METAL OXIDE Copy and complete the following reactions: Magnesium + oxygen Copper + oxygen Calcium + oxygen Iron + oxygen

Reactions of metals with water 15/11/2018 When a metal reacts with water hydrogen is always given off. The other product will be either a metal hydroxide or a metal oxide. METAL + WATER METAL OXIDE + HYDROGEN METAL + WATER METAL HYDROXIDE + HYDROGEN Copy and complete the following reactions: Sodium + water Potassium + water Calcium + water Iron + steam

Reactions of metals with acids 15/11/2018 When a metal reacts with an acid it gives off hydrogen (which can be “popped” using a lit splint). The other product is a salt. METAL + ACID SALT + HYDROGEN e.g. magnesium + hydrochloric acid magnesium chloride + hydrogen Copy and complete the following reactions: Calcium + hydrochloric acid Zinc + hydrochloric acid Iron + hydrochloric acid Lithium + sulphuric acid

Complete the following reactions: 15/11/2018 Lithium + water Lithium + hydrochloric acid Silver + oxygen Magnesium + sulphuric acid Potassium + oxygen Aluminium + oxygen Manganese + water Sodium + sulphuric acid Lithium + oxygen Nickel + hydrochloric acid Lithium hydroxide + hydrogen Lithium chloride + hydrogen Silver oxide Magnesium sulphate + hydrogen Potassium oxide Aluminium oxide Manganese oxide + hydrogen Sodium sulphate + hydrogen Lithium oxide Nickel chloride + hydrogen

An example question on reactivity 15/11/2018 Metal Reaction with dilute acid Reaction with water Reaction with oxygen A Some reaction Slow reaction Burns brightly B No reaction Reacts slowly C D Violent reaction E Reasonable reaction Reacts with steam only

Increasing reactivity The Reactivity Series 15/11/2018 Increasing reactivity Potassium Sodium Calcium Magnesium Aluminium Carbon Zinc Iron Lead Copper Silver Gold The Reactivity Series lists metals in order of reactivity:

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