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Chemistry > Group 1 (Alkali Metals) & Group 7 (The Halogens) > Flashcards

Group 1 (Alkali Metals) & Group 7 (The Halogens) Flashcards

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1
Q

Group 1: formula for reaction with water

A

Metal + water = metal hydroxide + hydrogen

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2
Q

Group 1 reaction with oxygen

A

metal + oxygen = oxide

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3
Q

Potassium + oxygen

A

= potassium peroxide (K2O2) + potassium superoxide (KO2)

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4
Q

GRODPUR

Colours & state of the halogens

A

Chlorine - green gas
Bromine - red-brown liquid, orange vapour
Iodine - dark grey crystalline solid, purple vapour

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Chemistry (4 decks)

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