Reactivity of Metals (VCE SSCE Chemistry): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Definition of reactivity
Definition of reactivity
How readily a substance takes part in chemical reactions
Term for unreactive metals like Au and Pt
Term for unreactive metals like Au and Pt
Inert
3 substances used to test metal reactivity
3 substances used to test metal reactivity
Water, oxygen, and acids
Why Na and K stored under oil
Why Na and K stored under oil
Prevent contact with atmospheric moisture
Products when metals react with oxygen
Products when metals react with oxygen
Metal oxides
Why reactive metals found as oxides in nature
Why reactive metals found as oxides in nature
Already reacted with oxygen over geological time
Metal reactivity trend down a group
Metal reactivity trend down a group
Increases
Metal reactivity trend across period (left to right)
Metal reactivity trend across period (left to right)
Decreases
How ionisation energy relates to reactivity
How ionisation energy relates to reactivity
Lower ionisation energy means higher reactivity
Why Al resists corrosion despite being reactive
Why Al resists corrosion despite being reactive
Thin protective aluminium oxide layer forms on surface