1. What is the heaviest, non radioactive p-block element? Astatine Polonium Bismuth Lead

2. The inert pair effect is a common phenomenon in compounds containing heavy p-block elements. True False

3. What type of orbital are the inert pair of electrons in? p f d s

4. Which of the following ions has an inert pair of electrons? Pb(II) Sn(IV) Tl(III) Pb(IV)

5. A spin 1/2 nucleus is very useful for Nuclear Magnetic Resonance (NMR), as it provides useful coupling information. Which one of the following has a spin 1/2 nucleus? Pb-208 Tl-205 Sn-118 In-125

6. Ligands are small atoms or molecules that are coordinated to a metal center. If a compound has 6 ligands and no lone pairs, what geometry will it take on? octahedral square planar trigonal bipyramidal square antiprism

7. Thallium alkoxides (general formula: TlOR) are organometallic compounds. True False

8. Which of the following has the largest atomic radius? Bismuth Antimony Thallium Lead

9. Bismuth does not have a spin 1/2 isotope. True False

10. Which of the following has the highest melting point? Tin (Sn) Antimony (Sb) Indium (In) Tellurium (Te)