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Properties by group: thallium to radon grouping: Type-in
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- 01Element 87, francium (Fr): main group/family?
- 02Element 82, lead (Pb): main group/family?
- 03Element 86, radon (Rn): main group/family?
- 04Element 88, radium (Ra): main group/family?
- 05Element 81, thallium (Tl): main group/family?
- 06Element 84, polonium (Po): main group/family?
- 07Element 89, actinium (Ac): main group/family?
- 08Element 85, astatine (At): main group/family?
- 09Element 83, bismuth (Bi): main group/family?
- 10Element 90, thorium (Th): main group/family?