metals + non-metals

• when metal atoms react do they lose or gain electrons?

  does this create ions with a positive or a negative charge?


  • lose
  • positive
• fluorine atoms have 7 electrons in their outer shell. in chemical reactions, do they gain or lose electrons?

  gain
• what are three general properties of metals?


  • sonorous
  • malleable
  • good conductors of heat
• what does sonorous mean?


  produce a ringing sound when struck
• metals are very strong, what bonds are the ions held together by?


  metallic
• what do metals tend to be?

  malleable
• what does malleable mean?


  which means they can bend without breaking
• what are non-metals known to be?


  brittle
• what does brittle mean?


  break easily
• what is the definition of a catalyst in terms of metals?


  a substance that can speed up a chemical reaction without being used up