Page 9 - The Periodic Table Book
P. 9

Barium                    Chunk of grey                  Magnesium                     Osmium
           crystals                     selenium                      crystals                      pellet






                                                                   Throughout this book you will find boxes with the following
                                                                   symbols. This is what each of them mean.
           for each element, grouping them into similar
           types. With this information, we can use the                     This shows the structure of an atom of an element, with
                                                                            the nucleus (made of protons and neutrons) at the centre
           elements to make many things we need: a                          and electrons surrounding it in their shells.
           fluorine compound in toothpastes toughens
                                                                            Electron
           our teeth and silicon crystals engineered into
           microchips operate our gadgets and phones.                       Proton
              Every element has its own story of where it
           comes from, what it can do, and how we use                       Neutron

           it. Let’s begin a tour of every element one by                   The state of the element at a temperature of 20°C
           one. It’s going to be a fascinating journey.            State    (28°F). It can be a liquid, solid, or gas.

                                                                   Discovery  This details the year in which the element was discovered.
           Tom Jackson
























           Chunk of                       Gold                     Thulium                       Calcium
            uranium                     crystals                   crystals                       crystals








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