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List of chemical elements. 118 chemical elements have been identified and named officially by IUPAC. A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z ). [ 1]
List of countries by population (United Nations) This is a list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects. It presents population estimates from 1950 to the present. [ 2]
Liquid3. Liquid 3 (also known as Liquid Trees) is a clean energy photobioreactor project designed to replace the function of trees in heavily polluted urban areas where planting and growing real vegatation is not viable. The project was designed by the Institute for Multidisciplinary Research at the University of Belgrade. The United Nations ...
World Order Planet and Climate Prosperity and Equality Health and Well-being 1 Netherlands: 8 2 27 3 19 4 9 2 Switzerland: 11 4 44 10 2 5 6 3 Denmark: 4 6 64 9 14 2 3 4 Finland: 7 13 52 8 6 9 12 5 Germany: 21 15 37 2 18 14 7 6 Sweden: 17 5 67 4 26 3 1 7 Ireland: 32 8 50 21 10 1 2 8 United Kingdom: 5 11 48 12 11 35 4 9 Austria: 6 7 65 1 17 13 28 10
This list of chemical elements named after places includes elements named both directly and indirectly for places. 41 of the 118 chemical elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the Earth and the other 10 have names connected to bodies ...
The periodic table is a tabular arrangement of the chemical elements, organized by their atomic number, electron configuration, and chemical properties. It is a useful tool for understanding the patterns and trends of the elements and their interactions. Learn more about the history, structure, and significance of the periodic table on Wikipedia.
The history of the periodic table is also a history of the discovery of the chemical elements. The first person in recorded history to discover a new element was Hennig Brand, a bankrupt German merchant. Brand tried to discover the philosopher's stone —a mythical object that was supposed to turn inexpensive base metals into gold.
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...