1.8 Metals and non-metals

• Metals are excellent conductors of electricity
• What does it mean for a metal to be malleable?

  Can be hammered into sheets
• Which property do metals and non-metals share?

  They are both elements
• What is the luster of non-metals?

  Dull
• What is the primary difference between metals and non-metals in terms of malleability?

  Metals are malleable
• Non-metals are poor conductors of heat
• Non-metals are not ductile, meaning they cannot be drawn into wires
• Metals are excellent conductors of electricity.


  True
• What does it mean for a metal to be malleable?

  It can be hammered
• The physical properties of metals and non-metals are due to their electronic
• Order the following properties based on their increase from metals to non-metals:

  1️⃣ Electropositivity

  2️⃣ Reactivity

  3️⃣ Electronegativity
• Metals form metallic bonds, while non-metals form covalent bonds.
• Metalloids are located between metals and non-metals in the periodic table.

  True
• What happens to atomic radius as you move down a group in the periodic table?

  Increases
• What are metals and non-metals defined by?

  Distinct physical properties
• Non-metals have a shiny luster.

  False
• Metals are ductile, meaning they can be drawn into wires
• Metals are excellent conductors of heat
• Non-metals are malleable and ductile.

  False
• Metals are known for their ability to conduct both heat and electricity
• Metals have a dull appearance and are not ductile.

  False
• What are the two key categories of elements based on physical properties?

  Metals and non-metals
• What are the two main categories of elements based on their properties?

  Metals and non-metals
• Metals have a shiny property called luster
• Non-metals are poor conductors of heat.


  True
• Which property describes the ability of a metal to be drawn into wires?

  Ductility
• What type of ions do metals tend to form?

  Positive ions
• Where are metals located in the periodic table?

  Left side
• Electronegativity increases across a period in the periodic table.
• Ionization energy decreases down a group in the periodic table.


  True
• Which property do metals and non-metals differ most significantly in?

  Electrical conductivity
• What type of electrical conductivity do metals have?

  Excellent conductors
• What does it mean for a metal to be malleable?

  Can be hammered into sheets
• Non-metals are ductile.

  False
• What is the electrical conductivity of metals?

  Excellent conductors
• Non-metals are generally malleable.

  False
• Metals are electropositive and tend to form positive ions.
• Metals form metallic bonds between atoms.


  True
• Non-metals are located on the right side of the periodic table.
• Non-metals are used in thermal insulation.


  True