Reactivity of metals (Edexcel GCSE Chemistry): Flashcards
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What determines a metal's reactivity?
What determines a metal's reactivity?
How easily it loses outer electrons to form positive ions
Metal + acid → products
Metal + acid → products
Salt + hydrogen gas ()
Test for hydrogen gas
Test for hydrogen gas
Burning splint test (loud pop)
Fair test: metal pieces requirement
Fair test: metal pieces requirement
Same size and shape
Device to measure gas volume
Device to measure gas volume
Gas syringe
Temperature change: metal + acid
Temperature change: metal + acid
Increases (exothermic reaction)
Mg + acid observation
Mg + acid observation
Vigorous, lots of fizzing, loud pop
Cu + acid reaction
Cu + acid reaction
No reaction
Metal + water → products
Metal + water → products
Metal hydroxide + hydrogen gas
Metals reacting vigorously with cold water
Metals reacting vigorously with cold water
Potassium, sodium, calcium
Mg reaction with water vs steam
Mg reaction with water vs steam
Very slow with water, faster with steam
Metal + steam → products
Metal + steam → products
Metal oxide + hydrogen gas
Cu + water/steam reaction
Cu + water/steam reaction
No reaction
How does reactivity affect reaction speed?
How does reactivity affect reaction speed?
More reactive = faster reaction
Zn + acid observation
Zn + acid observation
Some bubbles, slower reaction, quiet pop