Transition Metal Definitions Quiz

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1. Transition elements show all the normal metallic properties such as

  • Shiny, high density, high melting and boiling points, existing in giant metallic lattices, delocalised electrons
  • Oxidation states, all forming compounds with ions in the 2+ oxidation state (this is usually the result of losing two electrons from 4s orbital, which are lost first as when full 4s is in a higher energy level that 3d)
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2. It is believed that cis platin acts by binding to the DNA of fast growing cancer cells, altering their DNA and it is generally believed that this

  • Prevents the cells from reproducing by these changes to the DNA structure, eventually this leads to activation of the cells own repair mechanisms and death of the cancer cells
  • Speeds up cell reproduction until they explode by apoptosis

3. In the reaction of cobalt(II) ions and concentrated hydrocholoric acid the colour change is

  • Pink to blue
  • Orange to colourless

4. A complex ion is

  • A molecule or ion that can donate a pair of electrons with the transition metal ion to form a coordinate bond
  • A transition metal ion bonded to one or more ligands by coordinate bonds (aka dative covalent bonds)
  • Blue precipitates, turning beige in the presence of air

5. A transition element is

  • A d-block element that forms an ion with an incomplete d sub shell
  • The 4s orbital fills before the orbitals in the 3d sub shell. The d block metals will have filled there 4s orbital before electrons are added to the 3d sub shell



I'm sorry about the last comment, my friend wrote it because he didn't want to accept that he got some answers wrong in this quiz. I just got 100% on this quiz and with it It helped enhance my knowledge on Transition Metals as a whole. Keep up with the resources guys!!! 

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