Unit 1 AS AQA Chemistry

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  • Created by: Elly
  • Created on: 22-12-12 20:37

1. What is an isomer of a compound?

  • A compound with the same molecular formula but a different structural formuls
  • Elements with the same structural formula and the same molecular formula
  • Compounds with the same number of electrons but these electrons occupy different orbitals
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Other questions in this quiz

2. What is the definition for ionisation energy?

  • The name of the energy required to accelerate ions in a mass spectrometer
  • The energy needed to remove 1 mole of electrons from 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions
  • The energy required to remove 1 mole of atoms from 1 mole of electrons

3. Hydrogen bonding occurs in alkanes and alkenes

  • False
  • True

4. What is the equation for atom economy?

  • (total mass/100) x desired mass
  • (desired mass/total mass) x100
  • (desired mass/100) x total mass

5. Silicon is a giant covalent structure

  • True
  • False

Comments

Rukhsar

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good test

hellman

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nice test

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