AS Chemistry OCR Unit 1 Atoms, Bonds and Groups

Quiz on Unit 1 of the OCR Chemistry As level, including all modules.

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  • Created by: heloise
  • Created on: 03-04-12 17:37

1. The isotopes Cl-37 and Cl-35 differ by...

  • 2 protons
  • They are the same
  • 2 neutrons
  • 2 electrons
1 of 24

Other questions in this quiz

2. The Relative Isotopic Mass is the mass of an atom of an isotope compared with what?

  • 1/12 of the mass of a C-12 atom
  • the mass of a C-12 atom
  • 1/12 of the mass of one mole of C-12

3. A mole of a gas occupies what space at RTP?

  • 24dm^3
  • 24cm^2
  • 24dm^2

4. The empirical formula is never the same as the molecular formula.

  • False
  • True

5. Alkalis do what when in aqueous solution?

  • Release OH- ion
  • Release 0H+ ion.
  • Accept H+ ion
  • Release H- ion
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