Reactivity Trends (OCR A-Level Chemistry A): Flashcards
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Alternative name for Group 2 elements
Alternative name for Group 2 elements
Alkaline earth metals
No. of electrons in outer shell of Group 2 elements
No. of electrons in outer shell of Group 2 elements
Two
Charge of ions formed by Group 2 elements
Charge of ions formed by Group 2 elements
+2
Group 2 elements act as what type of agent in redox
Group 2 elements act as what type of agent in redox
Reducing agents
General formula of Group 2 oxides (M = metal)
General formula of Group 2 oxides (M = metal)
Products when Group 2 metal reacts with water
Products when Group 2 metal reacts with water
Metal hydroxide and hydrogen gas
Reactivity trend down Group 2
Reactivity trend down Group 2
Increases
Why ionisation energies decrease down Group 2
Why ionisation energies decrease down Group 2
Increasing atomic radius and greater electron shielding
Solubility trend of Group 2 hydroxides down the group
Solubility trend of Group 2 hydroxides down the group
Increases
Agricultural use of calcium hydroxide
Agricultural use of calcium hydroxide
Neutralise acidic soils