Anorganische Chemie III
Anorganische Chemie III an der Universität Basel vom Herbstsemester 2014
Anorganische Chemie III an der Universität Basel vom Herbstsemester 2014
Set of flashcards Details
| Flashcards | 69 |
|---|---|
| Language | Deutsch |
| Category | Chemistry |
| Level | University |
| Created / Updated | 04.02.2015 / 24.01.2019 |
| Licencing | Not defined |
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Which is the most abundant d-block metal. List a few forms, how it occurs.
Fe
- haematite (alpha-Fe2O3)
- magnetite (blackish, Fe3O4)
What about the bonding in TiO2?
Ti4+ , which is a very high charge and therefore unlikely to occur as an ion --> bonding has more covalent than ionic character.
Which of the Actinoids are naturally occurring in large amounts?
Th (Thorium) and U (Uran)
How do langthanoids naturally occur?
- Bastnäsite (M,M', M'' ....) CO3F so M is 3+, The main lanthanoid metals are Cerium (about 50%) and Lanthanum (20-30%)
- Monazite (M, M' ....)PO4. Main Components, Ce, La, Neodymium (Nd) and even Yttrium (Y)
Which are the two naturally occurring isotopes of uranium and which one is used in power plants?
238 U (99.3 %) and 235 U(0.7%). 235 U is used in power plants.
Technetium is radioactive. What is it used for?
In radioactive pharmaceuticals. Brain, Kidney, Heart imaging.
formula for half-life time for radioactive decay.
radioactive decay is always first order --> t (1/2)= ln(2)/k
What is the electronic configuration of Cr (group 6), Cu (group 11) and Zn (group 12)?
Cr: 3d5 4s1
Cu: 3d10 4s1
Zn: 3d10 4s2
