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The Periodic Table_If-I-Were.pptx
- 1. Periodic Table If I were…
- 2. Contents If I were Mendeleev If I were a group 0 element If I were a group 1 element If I were a group 2 element If I were a metal If I were a non-metal If I were a group 7 element If I were a transition element
- 3. If I were… Mendeleev Describe your contribution to atomic science and your model.
- 4. I put elements with similar properties together in columns. If I were… Mendeleev I organised elements by their properties. I named the vertical columns ‘groups’. I named the horizontal rows ‘periods’. I put together the first version of the periodic table of elements. The elements are arranged to help people predict patterns about the properties of the elements.
- 5. If I were… a metal Name some elements, describe periodic table arrangement and properties.
- 6. If I were… a metal I could be iron, titanium, sodium, tin or copper, for example. I could be a reactive metal (from group 1 or 2). I would be arranged towards the left side of the periodic table. I could be a transition metal (from between groups 2 and 3). I would be ductile (made into wires). I would have a high density. I could be made into an alloy. I would be a good conductor of electricity. I would become shiny when polished. I would be strong and tough. I would be a good thermal conductor (heat energy). I would have a high melting and boiling point (it takes lots of energy). I would be malleable (easily shaped). I might be magnetic (iron, nickel or cobalt and alloys of these).
- 7. If I were… a non-metal Name some elements, describe periodic table arrangement and properties.
- 8. If I were… a non-metal I could be hydrogen, sulphur, argon, carbon or iodine, for example. I would be arranged on the right side of the periodic table. I could be a halogen (from group 7). I would have a low density. I could be a noble gas (from group 0). I would not be magnetic. I would be brittle. I would not be a good conductor of electricity. I would be dull and not shiny. I would not be a good thermal conductor (heat energy). I would not be strong or tough. At room temperature I would probably be either gas or solid (only one is a liquid). I would have a low melting and boiling point (the forces holding my particles are weak).
- 9. If I were… a group 1 element Name some elements, describe your reactivity and patterns.
- 10. I could be lithium, sodium, potassium, rubidium, caesium or francium. If I were… a group 1 element As you go down my group, I become more reactive. I am a solid. I can be very reactive with water, creating fizzes, flames and even explosions. I am a metal. I would be an ‘alkali metal’. I would be very reactive.
- 11. If I were… a group 7 element Name some elements, describe your reactivity and patterns.
- 12. If I were… a group 7 element I could be fluorine, chlorine, bromine, iodine or astatine. As you go down my group, I become less reactive. I am a non-metal. I would be a ‘halogen’. I would be very reactive.
- 13. If I were… a group 0 element Name some elements, describe your reactivity and patterns.
- 14. I would be very unreactive. If I were… a group 0 element I would be a ‘noble gas’. I am a gas. I could be helium, neon, argon, krypton, xenon or radon. I light up in a certain colour when charged with electricity (hence ‘neon lights’).
- 15. If I were… a transition element Name some elements, describe their reactivity, physical and chemical properties.
- 16. I have a high m.p. and b.p. If I were… a transition element I form complex ions. I possess catalytic properties I have partially filled d-orbitals. I exhibit variable oxidation states. I have a high density. I form coloured ions and compounds. I would be a ‘noble gas’.