Science - C4 - Groups and Metals & Water

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Group No. = No. of electrons in outside shell
Group 1 metals have similar properties as they all need to lose one electron from their outside shell.
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Rubidium and caesium are group 1 metals which react VIOLENTLY which water to give off hydrogen and make an alkaline solution.
Flame tests can be used to identify the presence of LITHIUM, SODIUM and POTASSIUM.
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If a GROUP1 metal reacts with a GROUP7 non-metal the word equation for the formation of a metal halide can be constructed.
CHLORINE is a GREEN GAS BROMINE is a BROWN LIQUID and IODINE is a GREY SOLID
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COPPER compounds are often BLUE, iron(II) compounds are often light green and iron(III) compounds are often orange/brown.
The thermal decomposition of transition metal carbonates results in the metal oxide and carbon dioxide being made.
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Cu ions react with sodium hydroxide to make a blue solid in a precipitation reaction.
Metals have high melting points due to their strong METALLIC bonding.
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SUPERCONDUCTORS conduct electricity with little or no resistance.
Drinking water is purified by filtration, sedimentation and chlorination.
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Sulfates in water can be tested using barium chloride.
Halides can be tested using silver nitrate.
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Other cards in this set

Card 2

Front

Rubidium and caesium are group 1 metals which react VIOLENTLY which water to give off hydrogen and make an alkaline solution.

Back

Flame tests can be used to identify the presence of LITHIUM, SODIUM and POTASSIUM.

Card 3

Front

If a GROUP1 metal reacts with a GROUP7 non-metal the word equation for the formation of a metal halide can be constructed.

Back

Preview of the front of card 3

Card 4

Front

COPPER compounds are often BLUE, iron(II) compounds are often light green and iron(III) compounds are often orange/brown.

Back

Preview of the front of card 4

Card 5

Front

Cu ions react with sodium hydroxide to make a blue solid in a precipitation reaction.

Back

Preview of the front of card 5
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