Scientists have found that our bodies need 28 different elements to function properly. These are almost one-quarter of the periodic table and are mainly found in the first four periods.

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How do we calculate mass and atomic numbers? VideoHow do we calculate mass and atomic numbers? This video is an interactive lesson in calculating an atom's mass and atomic number.

Silicon (Si) is a metalloid, element number 14 on the periodic table. Like carbon, silicon has four bonding sites, but silicon is more than twice as heavy as carbon. The high melting point of ...

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you have to choose elements from the periodic table and have their atomic numbers add together to equal 200. Each element on the periodic table has an atomic number, and you likely already have a ...

Vol, A. and Gilat, A. (2025) Low Energy Nuclear Synthesis in Earthquake, Volcanic Eruptions, and Genesis of Heavy Elements .

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Plant litter-derived mineral-associated organic matter that formed in the first year and pyrogenic organic inputs both persist on a decadal scale in grassland soil via distinct mechanisms ...