What is an element? |
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4 | (2) |
Inside an atom |
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6 | (2) |
The periodic table |
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8 | (2) |
Elemental groups and sets |
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10 | (3) |
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13 | (2) |
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15 | (2) |
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Potassium, Rubidium, Caesium, Francium |
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17 | (2) |
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19 | (2) |
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Calcium, Strontium, Barium, Radium |
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21 | (2) |
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Titanium, Scandium, Vanadium, Chromium |
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23 | (2) |
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Manganese, Iron, Cobalt, Nickel |
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25 | (2) |
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Copper, Zinc, Yttrium, Zirconium, Molybdenum |
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27 | (4) |
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Niobium, Technetium, Ruthenium, Rhodium, Palladium, Silver |
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29 | |
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Cadmium, Hafnium, Tantalum, Tungsten, Osmium, Rhenium, Iridium |
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31 | (2) |
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Platinum, Rutherfordium, Mercury, Gold |
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33 | (2) |
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Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium, Copernicium |
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35 | (2) |
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Lanthanum, Neodymium, Promethium, Cerium, Praseodymium, Samarium, Europium |
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37 | (2) |
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Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium |
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39 | (2) |
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Thorium, Actinium, Protactinium, Neptunium, Americium |
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41 | (2) |
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43 | (2) |
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Curium, Californium, Berkelium, Einsteinium, Fermium, Nobelium, Mendelevium, Lawrencium |
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45 | (2) |
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47 | (2) |
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Gallium, Indium, Thallium, Nihonium |
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49 | (2) |
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51 | (2) |
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Tin, Germanium, Flerovium, Lead |
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53 | (2) |
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55 | (2) |
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Arsenic, Antimony, Bismuth, Moscovium |
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57 | (2) |
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59 | (2) |
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Selenium, Tellurium, Sulfur, Polonium, Livermorium |
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61 | (2) |
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63 | (2) |
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Bromine, Iodine, Astatine, Tennessine |
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65 | (2) |
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67 | (2) |
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Argon, Krypton, Oganesson, Xenon, Radon |
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69 | (2) |
Glossary |
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71 | (1) |
Index |
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72 | |