Back to quiz

6. What is the Oxidation number of combined fluorine?

  • -3
  • +1
  • -1
  • -2
  • +2

7. Reduction is....

  • Gain of electrons
  • When an element is both oxidised and reduced
  • Gain of protons
  • Loss of neutrons
  • Loss of electrons

8. What is the 3D shape of an S orbital?

  • Tetrahedral
  • Irregular
  • Dumbell
  • Spherical
  • Retangular based pyramid

9. Ionic bonding occurs between...

  • Non metals only
  • Metals only
  • A metal and a non metal
  • Gaseous elements only
  • Group 2 elements only

10. What is a covalent bond?

  • A shared pair of protons
  • Ions surrounded by delocalised ions
  • Electrostatic attraction between oppositley charged ions
  • A shared pair of electrons
  • A single electron

11. What is the bond angle of a trigonal planar?

  • 90
  • 109.5
  • 120
  • 104.5
  • 107

12. What are the intermolecular forces between I2 molecules?

  • Ionic
  • Van der Waals
  • Metallic
  • Permanent dipole
  • Hydrogen bonds

13. As you go across a period atomic radii increases.

  • False
  • True

14. What colour does Cl2 go in water?

  • Pale-green
  • White
  • Orange
  • Blue
  • Brown

15. AgI is soluable in concentrated aqueous ammionia

  • False
  • True

16. Adding silver ions to bromide ions forms....

  • No precipitate
  • A white precipitate
  • A yellow precipitate
  • A cream precipitate
  • Orange precipitate

17. Which element is NOT a halide?

  • Fluorine
  • Bromine
  • Astatine
  • Leucine
  • Chlorine