Salters B Elements from the Sea Quiz

Test on the unit 'Elements from the Sea'

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  • Created by: jess
  • Created on: 09-03-14 18:14

1. How many orbitals and electrons can a d sub-shell hold?

  • 5 orbitals, 10 electrons
  • 2 oribitals, 2 electrons
  • 10 orbitals, 5 electrons
  • 3 orbitals, 6 electrons
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2. PD-PD bonds are weaker than ID-ID bonds but stronger than Hydrogen bonds

  • False
  • True

3. What is the fourth ionisation enthalpy?

  • X(g) --> 4X+(g) + e-
  • X4+(g) --> X4+(g) + e-
  • X3+(g) --> X4+(g) + e-
  • X(g) --> X4+(g) + e-

4. Variable costs depend on...

  • The efficiency of a chemical process.
  • The recycling of unreacted feedstock.
  • The amount of product manufactured.
  • The amount of profit a chemical company makes.

5. The boiling points increase with a heavier halogen atom, since the overall number of electrons increases and hence do the id-id bonds.

  • True
  • False

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