Metals and Non-metals

• What is the appearance of metal elements?

  Shiny
• What is the appearance of non-metal elements?

  Dull
• What is the typical melting point of metal elements?

  Usually high
• What is the typical melting point of non-metal elements?

  Usually low
• What is the typical boiling point of metal elements?

  Usually high
• What is the typical boiling point of non-metal elements?

  Usually low
• What is the state of metal elements at room temperature?

  Solid
• What is the state of non-metal elements at room temperature?

  About half are solid
• How many non-metal elements are gases at room temperature?

  About half are gas
• What is the malleability of metal elements when solid?

  Malleable
• What is the malleability of non-metal elements when solid?

  Brittle
• How do metal elements behave when hammered?

  They bend without shattering
• How do non-metal elements behave when hammered?

  They shatter when hammered
• What is the ductility of metal elements when solid?

  Ductile
• What is the ductility of non-metal elements when solid?

  Non-ductile
• How do metal elements behave when pulled?

  They can be pulled into wires
• How do non-metal elements behave when pulled?

  They snap when pulled
• What is the thermal and electrical conductivity of metal elements?

  Good conductors
• What is the thermal and electrical conductivity of non-metal elements?

  Poor conductors
• What does IUPAC stand for?

  International Union of Pure and Applied Chemistry
• What is the atomic number of lithium?

  3
• How many electrons does lithium have?

  Three electrons
• What is the first step in finding the electronic structure of an atom?

  Fill each of the shells in turn
• How many electrons are in the first shell of lithium?

  Two electrons
• How many electrons are in the second shell of lithium?

  One electron
• What is the electronic structure of lithium?

  2.1
• What does the dot in the electronic structure of lithium indicate?

  Transition from one shell to the next
• What are the two main types of elements discussed?

  Metals and non-metals
• What defines a physical property?

  A characteristic that can be observed or measured
• How are elements arranged in the Periodic Table?

  In rows and columns by atomic number
• Where are metal elements located in the Periodic Table?

  On the left-hand side
• Where are non-metal elements located in the Periodic Table?

  On the right-hand side
• What separates metals and non-metals in the Periodic Table?

  A zigzag boundary
• What is a characteristic of elements on the zigzag boundary?

  They have properties of both metals and non-metals
• What defines a chemical property?

  A characteristic determined by chemical reactions
• How do metals behave in terms of electron transfer?

  They lose electrons to form positive ions
• How do non-metals behave in terms of electron transfer?

  They gain electrons to form negative ions
• How do metals react with each other?

  They mix to form alloys
• How do non-metals react with each other?

  They produce compounds that consist of molecules
• What do metals and non-metals produce when they react with oxygen?

  They produce oxides with different properties