We are the original creators of the Heritage Periodic Table, an acrylic periodic table with 83 real elements inside. We are also the original creators of the Heritage Personal Museum, a collection of 33 historical artifacts and rare specimens.
The PeriodicTableElements is an elegant app that is interactive and fun. Easy to use, easy to understand, simple and effective. It shows the periodic table of e…
原文定位:Um, actually, that reminds me of a ... of a very good example of all these, element 43. See on the table, the symbols for elements 42 and 44. Well, in early versions of the table, there was no symbol for an element 43 protons because no element with 43 protons had been...
Show Table With: Name Atomic Number Atomic Mass Electron Configuration Number of Neutrons Melting Point Boiling Point Date of Discovery Crystal Structure Element Groups: Alkali Metals Alkaline Earth Metals Transition Metals Other Metals Metalloids
The elements between metals and nonmetals on the periodic table are called metalloids. As you might expect from the name, a metalloid is an element that shares some properties with metals and some with nonmetals. These elements also are called semimetals. Element Common Uses/Interesting Fac...
The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.
The resultingPeriodic Table of the Elementsbelow includes the Atomic Number, Atomic mass, Symbol, Name, Electronegativity, Density, Ionization energy, Boiling point, Melting point, Electron Configuration, Oxidation States, Ground State Level, and Atomic Radius. If you typically work with a different ...
Periodic table of elements with information on chemical elements like gold, silver, iron, neon, helium, chlorine, copper, cobalt, and more
Names proposed for four new elements in the periodic tabledoi:10.34193/ei-a-5227S. KulkarniEditage Insights
Periodic table, in chemistry, the organized array of all the chemical elements in order of increasing atomic number. When the elements are thus arranged, there is a recurring pattern called the ‘periodic law’ in their properties, in which elements in t