Sculpture

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What does corrode mean?
When the surface of a metal wears away
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What does reactive mean?
A substance that reacts easily with something or lots of other substances
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What does tarnish mean?
When a shiny metal gets a dull coating due to the reaction with oxygen
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What does unreactive mean?
A substance that reacts slowly or not at all with something or lots of other substances
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Name the metal which reacts in water
Calcium
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Name the three metals that react with acid
Calcium, Magnesium and Zinc
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Which metals did not react with either water or acid?
Copper and Iron
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What is an independent variable?
The things you change
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What is a dependent variable?
The things you look at
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What is a control variable?
The things you keep the same to make it a fair test
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What is the equation for metals reacting with acids?
Metal + Acid -> Salt + Hydrogen
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What does Iron + Nitric Acid make?
Iron Nitrate + Hydrogen
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What does Potassium + Sulphuric Acid make?
Potassium Sulphate + Hydrogen
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What is the name of the metal and acid used in Chromium Chloride?
The metal used is Chromium and the acid used is Hydrochloric Acid
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What is the symbol for Copper?
Cu
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What is the symbol for Iron?
Fe
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What is the symbol for Aluminium?
Al
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What is the symbol for Zinc?
Zn
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What is the symbol for Magnesium?
Mg
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Name a way to prevent rust
Chromium plating/paint the metallic surface/keep away from moisture
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What happens when Copper and Silver are left in oxygen?
They slowly tarnish
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What is the equation for oxidation?
Metal + Oxygen -> Metal Oxide
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What is the equation for the test of Hydrogen?
Metal + Water -> Metal Hydroxide + Hydrogen
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Which is the most reactive metal when put in water? What happened?
Potassium was the most reactive metal. It burned and caught on fire and made a small explosion
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List the reactivity series
Potassium, Sodium, Calcium, Magnesium, Aluminium, Carbon, Zinc, Iron, Tin, Lead, Hydrogen, Copper, Silver, Gold, Platinum
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Other cards in this set

Card 2

Front

What does reactive mean?

Back

A substance that reacts easily with something or lots of other substances

Card 3

Front

What does tarnish mean?

Back

Preview of the front of card 3

Card 4

Front

What does unreactive mean?

Back

Preview of the front of card 4

Card 5

Front

Name the metal which reacts in water

Back

Preview of the front of card 5
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