The Periodic Table (AQA GCSE Chemistry): Flashcards
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Practise the cards
15 cards from this deck
Why do alkali metals look dull on the outside?
Why do alkali metals look dull on the outside?
Oxide layer forms on surface
How alkali metals are stored
How alkali metals are stored
In oil
Density of alkali metals
Density of alkali metals
Low density, most float
Electrons in outer shell of Group 1 metals
Electrons in outer shell of Group 1 metals
electron
Why Group 1 metals are very reactive
Why Group 1 metals are very reactive
They lose their outer electron easily
Reactivity trend down Group 1
Reactivity trend down Group 1
Increases
Why reactivity increases down Group 1
Why reactivity increases down Group 1
Outer electron further from nucleus
Density trend down Group 1
Density trend down Group 1
Increases
Melting point trend down Group 1
Melting point trend down Group 1
Decreases
Boiling point trend down Group 1
Boiling point trend down Group 1
Decreases
Alkali metal + oxygen →
Alkali metal + oxygen →
metal oxide
Alkali metal + water →
Alkali metal + water →
metal hydroxide + hydrogen
Gas produced when alkali metal reacts with water
Gas produced when alkali metal reacts with water
Hydrogen
What alkali metals create when reacting with water
What alkali metals create when reacting with water
Alkali (turns universal indicator purple)
Flame colour when potassium reacts with water
Flame colour when potassium reacts with water
Lilac