transition elements (triple)

• Where are metals located on the periodic table?

  On the left side of the periodic table
• What are transition elements classified as?

  Metals
• What are the key features of alkaline metals?

  Soft, low melting points, low density
• How can alkaline metals be described in terms of hardness?

  They are soft
• What happens to alkaline metals when they are cut?

  They can be cut with a scalpel
• What is the melting point characteristic of alkaline metals?

  They have relatively low melting points
• What does low density mean for alkaline metals?

  They have low mass for their volume
• Which alkaline metals are less dense than water?

  Lithium, sodium, and potassium
• How do alkaline metals react with oxygen, chlorine, and water?

  They react very rapidly
• What charge do alkaline metals form when they react?

  One positive charge
• How do transition elements differ from alkaline metals in terms of hardness?

  They are hard and strong metals
• What is the melting point characteristic of transition elements?

  They have high melting points
• What is the exception among transition elements regarding melting point?

  Mercury is a liquid at room temperature
• How do transition elements compare in density to alkaline metals?

  They have high density
• How do transition elements react with oxygen, chlorine, and water?

  They react slowly
• Why is the low reactivity of transition elements useful?

  They can be used for pipes
• What charge do transition elements form when they react?

  They form ions with a positive charge
• How do transition elements differ from alkaline metals in terms of ion charges?

  They can form ions with different charges
• What colors do some transition element compounds exhibit?

  Reddish, pink, purple, blue
• What is the color of iron oxide?

  Reddish
• What color is manganese chloride?

  Pink
• What color is chromium chloride?

  Purple
• What color is copper sulfate?

  Blue
• What is a property of transition elements related to chemical reactions?

  They can be used as catalysts
• What are the properties of transition elements compared to alkaline metals?

  • Hard and strong metals
  • High melting points
  • High density
  • Less reactive than alkaline metals
  • Can form ions with different charges
  • Form colored compounds
  • Useful as catalysts
• What are the reactivity characteristics of alkaline metals?

  • Highly reactive
  • React rapidly with oxygen, chlorine, and water
  • Form ions with a one positive charge
• What are the reactivity characteristics of transition elements?

  • Much less reactive than alkaline metals
  • React slowly with oxygen, chlorine, and water
  • Can form ions with different positive charges