Transition metals

• What should you be able to describe by the end of this video?

  The properties and reactivity of transition elements
• 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 metals in group one called?

  Alkaline metals
• What is a key feature of alkaline metals regarding their texture?

  They are soft and can be cut easily
• What is the melting point characteristic of alkaline metals?

  They have relatively low melting points
• How does the density of alkaline metals compare to water?

  They are less dense than water
• 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
• What is a key property of transition elements compared to alkaline metals?

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

  They have high melting points
• How does the density of transition elements compare to alkaline metals?

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

  They react slowly
• Why are transition elements considered useful?

  They are less reactive and durable
• What types of ions can transition elements form?

  They can form ions with different charges
• What positive charges can iron form when it reacts?

  Two positive or three positive ions
• What positive charges can nickel form when it reacts?

  Two positive or four positive ions
• What is a property of transition elements regarding their compounds?

  They form colored compounds
• What color is iron oxide?

  Reddish
• What color is manganese chloride?

  Pink
• What color is chromium chloride?

  Purple
• What color is copper sulfate?

  Blue
• What is a use of transition elements as mentioned in the video?

  They can act as catalysts
• What are the key properties of alkaline metals?

  • Soft and can be cut easily
  • Relatively low melting points
  • Low density, less dense than water
  • Highly reactive with oxygen, chlorine, and water
  • Form ions with a one positive charge
• What are the key properties of transition elements?

  • Hard and strong metals
  • High melting points, except mercury
  • High density, large mass for volume
  • Less reactive than alkaline metals
  • Form ions with different positive charges
  • Form colored compounds
  • Useful as catalysts
• How do the reactivities of alkaline metals and transition elements compare?

  • Alkaline metals: Highly reactive
  • Transition elements: Much less reactive