Topic 8: The Periodic Table
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Tell me the periodic trends in the periodic table.
Tell me the properties of group 1 metals.
• reactivity increases going down the group • melting points decrease as you go down, but generally have low melting points • As you go down the group densities increase, have low densities in general. • react vigorously with water • Reactivity increases down the group
Tell me the properties of halogens (group 7)
• Decreasing reactivity further down the group • React by gaining one electron • Exist as diatomic molecules • All have low melting and boiling points • Increasing melting and boiling points further down the group • Kills bacteria • Used as bleaching agents • React with metals to form metal halides
Tell me the trends of group 7 elements.
• Darker in colour as you go down the group • Density increases as you go down the group • Reactivity decreases down the group
Tell me the properties of transition elements.
Tell me the uses of transition elements.
Tell me the properties of noble gases.
Tell me the uses of noble gases.
