reactivity of metals

    Cards (18)

    • ores?

      naturally occurring solid materials from which metals can be extracted economically
    • oxidation?
      oxygen is gained and electrons are lost
    • reduction?
      oxygen is lost and electrons are gained
    • metals + acids=?
      salt + hydrogen
    • metals + oxygen=?
      metal oxide
    • metals that react with water?
      group one alkaline metals
    • metals + water=?
      metal hydroxide + hydrogen
    • reactivity series?
      list of elements in order of their reactivity
    • what is a displacement reaction?
      in a displacement reaction, the more reactive element (swaps with/ displaces) the less reactive element in a compound
    • how do we know the reactivity of a metal?
      by its ability to form positive ions
    • why are some metals not found in their native state?
      very reactive metals are always found reacted with other elements to form ores
    • how can we extract metals from compounds?
      by displacing them with a more reactive element
    • copper?

      a metal that does not react with water or an acid
    • redox?
      reaction where oxidation and reduction takes place
    • chlorides?

      salts produced from hydrochloric acid
    • sulphates?
      salts produced from sulfuric acid
    • nitrates?

      salts produced from nitric acid
    • hydrogen?

      gas formed when a metal reacts with water and/or acid
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