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chemistry > metals > Flashcards

metals Flashcards

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1
Q

metals are

A

electrical conductors

form basic oxides

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2
Q

reactivity of metals

A 
potassium
sodium
lithium
calcium
magnesium
aluminium
zinc
copper
silver
gold
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3
Q

metal + water —>

cold water reactions

A

metal hydroxide + hydrogen

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4
Q

metal + water (steam) —>

A

metal oxide + hydrogen

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5
Q

lithium and water

A

reacts vigorously
moving around on surface

2Li + H2O —> 2LiOH + H2

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6
Q

sodium and water

A

even more vigorous
melts
rolls up into ball
moves rapidly around surface of water

2Na + H2O —> 2NaOH + H2

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7
Q

potassium and water

A

produces flame
heat of reaction ignited hydrogen given off

2K + H2O —> 2KOH + H2

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8
Q

metal + acid —>

A

salt + hydrogen

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9
Q

displacement

A

metal A + metal B compound —> metal A compound + metal B

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10
Q

extraction of metals equation

A

carbon + metal oxide —> metal + carbon dioxide

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chemistry (21 decks)

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