: an arrangement of chemical elements based on the periodic law
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So, the energy kraken is unleashed – cannons be damned – as the periodic table comes back into fashion.—Clem Chambers, Forbes.com, 23 June 2025 Why China dominates rare earths Rare earths are a group of 17 elements in the middle of the periodic table, including neodymium, cerium and scandium.—Mithil Aggarwal, NBC news, 10 June 2025 Rare earths are a family of 17 metals found near the bottom of the periodic table.—Arkansas Online, 10 June 2025 The two metals appear on the same line in the periodic table with their proton count and also their atomic number separated only by mercury (80) and thallium (81).—Tim Treadgold, Forbes.com, 13 May 2025 See All Example Sentences for periodic table
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