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Trends across periods 6–7 p-block (81–86 vs 87–90): Type-in
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- 01Compare the atomic radius of lead (Z=82) vs radium (Z=88).
- 02Compare the atomic radius of bismuth (Z=83) vs actinium (Z=89).
- 03Compare the metallic character of lead (Z=82) vs radium (Z=88).
- 04Compare the metallic character of astatine (Z=85) vs francium (Z=87).
- 05Compare the atomic radius of radon (Z=86) vs radium (Z=88).
- 06Compare the metallic character of polonium (Z=84) vs thorium (Z=90).
- 07Compare typical oxidation states of astatine (Z=85) vs francium (Z=87).
- 08Compare typical oxidation states of polonium (Z=84) vs thorium (Z=90).
- 09Compare the atomic radius of thallium (Z=81) vs francium (Z=87).
- 10Compare typical oxidation states of bismuth (Z=83) vs actinium (Z=89).