Chemistry Discoveries
Inventions · रसायन की खोजें
📋Quick Overview
Chemistry discoveries range from the discovery of oxygen by Lavoisier to the creation of the periodic table by Mendeleev. Key discoveries include radioactive elements by Marie Curie, DNA structure by Watson & Crick, and synthetic materials like plastic and nylon that changed industrial society.
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Dmitri Mendeleev created the Periodic Table (1869) — arranged elements by atomic mass
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Marie Curie: discovered Polonium & Radium, first woman to win Nobel, only person to win in 2 different sciences
📖Chemistry Discoveries
| Discovery | Scientist | Year |
|---|---|---|
| Oxygen | Antoine Lavoisier | 1778 |
| Periodic Table | Dmitri Mendeleev | 1869 |
| Radium & Polonium | Marie & Pierre Curie | 1898 |
| Noble Gases | William Ramsay | 1894-98 |
| Atomic Number concept | Henry Moseley | 1913 |
| DNA Structure | Watson & Crick | 1953 |
| Vulcanized Rubber | Charles Goodyear | 1839 |
| Bakelite (first plastic) | Leo Baekeland | 1907 |
| Nylon | Wallace Carothers | 1935 |
| Hydrogen | Henry Cavendish | 1766 |
📝Additional Key Facts
- •Lavoisier is called "Father of Modern Chemistry"
- •Dalton's Atomic Theory (1808): matter is made of indivisible atoms
- •Avogadro's Number: 6.022 × 10²³ (number of particles in one mole)
- •pH Scale: invented by S.P.L. Sørensen (1909)
- •Rayon: first artificial fiber, made from cellulose