Chemistry Table

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nih.gov
https://pubchem.ncbi.nlm.nih.gov/periodic-table
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, visualize trends, or even test your elements knowledge by playing a periodic table game!
nih.gov
https://pubchem.ncbi.nlm.nih.gov/periodic-table/atomic-mass
Atomic Mass | Periodic Table of Elements - PubChem
Explore how atomic mass changes with atomic number in the periodic table of elements via interactive plots.
nih.gov
https://pubchem.ncbi.nlm.nih.gov
PubChem
Search and explore chemical information in the world's largest free chemistry database. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, …
nih.gov
https://pubchem.ncbi.nlm.nih.gov/element/H
Hydrogen | H (Element) - PubChem
Some of the common ones are: water (H 2 O), ammonia (NH 3), methane (CH 4), table sugar (C 12 H 22 O 11), hydrogen peroxide (H 2 O 2) and hydrochloric acid (HCl). Hydrogen has three common isotopes. The simplest isotope, called protium, is just ordinary hydrogen.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/element/Selenium
Selenium | Se (Element) - PubChem
Periodic Table element Summary Selenium. Selenium is a chemical element with symbol Se and atomic number 34. Classified as a nonmetal, Selenium is a solid at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/element/C
Carbon | C (Element) - PubChem
There are nearly ten million known carbon compounds and an entire branch of chemistry, known as organic chemistry, is devoted to their study. Many carbon compounds are essential for life as we know it.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/element/Lead
Lead | Pb (Element) - PubChem
Periodic Table element Summary Lead. Lead is a chemical element with symbol Pb and atomic number 82. Classified as a post-transition metal, Lead is a solid at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/element/Gold
Gold | Au (Element) - PubChem
Periodic Table element Summary Gold. Gold is a chemical element with symbol Au and atomic number 79. Classified as a transition metal, Gold is a solid at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/periodic-table/melting-point
Melting Point | Periodic Table of Elements - PubChem
Explore how melting point changes with atomic number in the periodic table of elements via interactive plots.
nih.gov
https://pubchem.ncbi.nlm.nih.gov/periodic-table/electronegativity
Electronegativity | Periodic Table of Elements - PubChem
Explore how electronegativity changes with atomic number in the periodic table of elements via interactive plots.
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