Chemistry A-Level
Atomic radius and shielding down Group 2
What Atomic radius and shielding down Group 2 means in Chemistry A-Level, as defined for OCR.
Definition of Atomic radius and shielding down Group 2
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Reference: OCR
Going down the group, atomic radius increases and the outer electrons sit in a higher principal shell, so they are further from the nucleus and more shielded.
Topics that use Atomic radius and shielding down Group 2
- Group 2 (OCR A-Level)
Related terms
- Acid indigestion treatment
- Balanced symbol equations
- Formation of 2⁺ ions
- Formation of metal hydroxides and hydrogen
- Formation of metal oxides MO
- Group 2 compounds as bases
- Group 2 reactions with dilute acids
- Group 2 reactivity trends
Using Atomic radius and shielding down Group 2 in the exam
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