Question
Wade’s rules explain the shapes of this element’s hydrides. For 10 points each:
[10e] Name this metalloid with atomic number 5.
ANSWER: boron
[10m] Boron hydrides form this ill-defined class of bound atoms that are generally considered to be larger than an individual molecule but smaller than a nanoparticle.
ANSWER: cluster compounds
[10h] Boron hydrides form this class of electron-deficient bonds in which electrons are shared among a higher-than expected number of atoms.
ANSWER: three-center two electron bonds [or 3c–2e bond]
<AW, Chemistry>
Summary
| 2023 ILLIAC (Mainsite) | 2023-10-21 | Y | 5 | 16.00 | 100% | 40% | 20% |