reactivity of metals

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9 Terms

1
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oxidation

oxygen is added to an element or compound

<p>oxygen is added to an element or compound </p>
2
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reduction

oxygen is removed from an element or compound

<p>oxygen is removed from an element or compound </p>
3
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metals reacting with water

form a metal hydroxide and hydrogen gas

<p>form a metal hydroxide and hydrogen gas</p>
4
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metal reacting with acid

form a metal salt and hydrogen gas

<p>form a metal salt and hydrogen gas</p>
5
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displacement reaction

when a more reactive metal will displace a less reactive metal from its compound

<p>when a more reactive metal will displace a less reactive metal from its compound </p>
6
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oxidised happens when

substance loses electrons

<p>substance loses electrons </p>
7
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reduction happens when

substance gains electrons

<p>substance gains electrons </p>
8
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redox reaction

when losing ans gaining electrons happens in the same reaction

<p>when losing ans gaining electrons happens in the same reaction </p>
9
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electrolysis

oxidation and reduction take place at the anode and cathode

positive attracted to cathode

negative to anode

<p>oxidation and reduction take place at the anode and cathode </p><p>positive attracted to cathode </p><p>negative to anode </p>