Chemistry 1.3 - Chemical changes and structure

• What is valency?

  The number of bonds an atom can make
• Prefix for one?

  Mono
• Prefix for two?

  Di
• Prefix for three?

  Tri
• Prefix for four?

  Tetra
• Prefix for five?

  Penta
• Prefix for six?

  Hexa
• What is a polyatomic ion?

  Compounds that have more than two elements