Chemistry Year 10 Aus

What are the characteristics of iconic bonds?

• Nonmetal +

  nonmetal

• nonmetal +

  metal

• nonmetal-nonmetal

• metal-metal

What are the characteristics of covalent bonds?

• Nonmetal +

  nonmetal

• nonmetal+

  metal

• nonmetal-nonmetal

• metal+metal

What are the characteristics of metallic bonds?

• Nonmetal +

  nonmetal

• nonmetal+

  metal

• nonmetal-nonmetal

• metal+metal

How many elements are there?

• 2

• 75

• 100

• 118

What are signs of a chemical change?

• Colour Change

• Change in matter

• Change in size or shape

• Change in temperature

• Gas is produced

What are signs of a physical change?

• No new substance are produced

• Change in matter

• Change in size or shape

• atoms are rearranged

• Gas is produced

What is a intramolecular bond?

• Physical Change

• Chemical Change

What is a intermolecular bond?

• Physical Change

• Chemical Change

What are the properties of Acidic substances?

• Higher than 7 on the pH scale

• When dissolved it produce H+ ions

• It loses one electron

• It gains an electron

What are the properties of Alkaline substances?

• Higher than 7 on the pH scale

• When dissolved it produce H- ions

• It loses one electron

• It gains an electron