Reactivity Flashcards

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1
Q

reactivity series definition

A

a list of metals in order of reactivity, with the most reactive at the top

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2
Q

reactivity series (starting with most reactive)

A

potassium
sodium
calcium
magnesium
aluminium
carbon
zinc
iron
tin
lead
hydrogen
copper
silver
gold

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3
Q

word equation for when metal reacts with water

A

metal + water —> metal hydroxide + hydrogen

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4
Q

nitric acid makes

A

nitrate salt

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5
Q

hydrochloric acid makes

A

chloride salts

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6
Q

sulfuric acid makes

A

sulphate salts

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7
Q

word equation for metal reacting with oxygen

A

metal + oxygen —> metal oxide

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8
Q

oxidation reaction

A

when the reaction has gained oxygen

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9
Q

exothermic reaction

A

when energy stored in the reactants is transferred to the surroundings

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10
Q

endothermic reaction

A

when energy is transferred from the surroundings to the reactants

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11
Q

displacement reaction

A

a reaction occurs when a more reactive element displaces, or pushes out, a less reactive element from a compound that contains the less reactive element

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12
Q

ore

A

a rock that contains enough of a metal or metal compound to be worth mining

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13
Q

thermal decomposition

A

a chemical reaction that happens when a compound breaks down when heated

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