Periodic Table of Elements - PubChem
Interactive periodic table with up-to-date element property data collected from authoritative sources. Look up chemical element names, symbols, atomic masses and other properties, …
Periodic Table - PubChem
As we mark the 150th anniversary of the periodic table, the scientific community has declared 2019 to be “The International Year of the Periodic Table”. PubChem is celebrating by …
PubChem
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and …
PERIODIC TABLE OF ELEMENTS Electron Configuration 17 Atomic Number Cl Symbol Chlorine Name [Ne]3s 2 3p 5 Electron Configuration 1 H Hydrogen 1s 1 1 1 2 He Helium 1s …
Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots.
PERIODIC TABLE OF ELEMENTS Chemical Group Block 17 Atomic Number Cl Symbol Chlorine Name Halogen Chemical Group Block 1 H Hydrogen Nonmetal 1 1 2 He Helium Noble Gas 18 …
Aluminum | Al (Element) - PubChem
Chemical element, Aluminum, information from authoritative sources. Look up properties, history, uses, and more.
PERIODIC TABLE OF ELEMENTS Electronegativity 17 Atomic Number Cl Symbol Chlorine Name 3.16 Electronegativity (Pauling Scale) 1 H Hydrogen 2.2 1 1 2 He Helium 18 3 Li …
Sulfur | S (Element) - PubChem
Chemical element, Sulfur, information from authoritative sources. Look up properties, history, uses, and more.
Plutonium | Pu (Element) - PubChem
Periodic Table element Summary Plutonium. Plutonium is a chemical element with symbol Pu and atomic number 94. Classified as an actinide, Plutonium is a solid at 25°C (room temperature).