Trends in Group 2: The Alkaline Earth Metals (AQA A-Level Chemistry): Flashcards
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What are Group 2 elements called?
What are Group 2 elements called?
Alkaline earth metals
Charge on Group 2 ions
Charge on Group 2 ions
Atomic radius trend down Group 2
Atomic radius trend down Group 2
Increases
Reactivity trend down Group 2
Reactivity trend down Group 2
Increases
First ionisation energy trend down Group 2
First ionisation energy trend down Group 2
Decreases
Melting point trend down Group 2
Melting point trend down Group 2
Decreases
Why atomic radius increases down Group 2
Why atomic radius increases down Group 2
More electron shells
Why reactivity increases down Group 2
Why reactivity increases down Group 2
Increased shielding, easier loss of outer electrons
Why first ionisation energy decreases down Group 2
Why first ionisation energy decreases down Group 2
Electrons further from nucleus, more shielding
Structure of Group 2 metals
Structure of Group 2 metals
Metallic: positive ions in sea of delocalised electrons