A chemical element is a chemical substance whose atoms all have the same number of protons. The number of protons is called the atomic number of that ... Abundance of the chemical... · Discovery of chemical... · List · Naming |
| Химический элемент |  |
Хими́ческий элеме́нт — совокупность атомов с одинаковым зарядом атомных ядер. Атомное ядро состоит из протонов, число которых равно атомному номеру элемента, и нейтронов, число которых может быть различным. Википедия
A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials ... Element production in stars · The atomic nature of the... · Soils · Neutron capture |
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 ... |
The internet shop specializes in selling of high purity elements of Periodic table for school/university display samples, research and collection. Chemical_elements · О магазине · Брелоки · Metal cubes 10 mm x 10 mm |
Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, ... Plot Atomic Mass · Hydrogen · Carbon · Electronegativity |
A chemical element is defined as a fundamental substance that exists in various forms in the environment and life on Earth, exhibiting different chemical ... |
A chemical element is any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials ... |
For chemistry students and teachers: The tabular chart on the right is alphabethically listed. The first chemical element is Actinium and the last is Zirconium. |
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