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5 August 2025

  • curprev 02:2202:22, 5 August 2025 DawnDowling talk contribs 10,874 bytes +10,874 Created page with "<br>The formula mass of urea (NHâ‚‚CONHâ‚‚) is calculated by adding the atomic masses of its constituent elements: nitrogen (N), hydrogen (H), carbon (C), and oxygen (O<br>Read more<br><br><br><br><br><br><br><br><br><br>Chemistry<br><br><br><br><br><br><br><br><br><br>How did leucippus and democritus use atoms to explain different physical properties?<br><br><br>Asked by Anonymous<br><br><br><br>Leucippus and Democritus proposed that all matter is composed of indivisibl..."
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