Chemistry Table

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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 …
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/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 …
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 …
nih.gov
https://pubchem.ncbi.nlm.nih.gov/periodic-table/pdf/Periodic_Table_of_…
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PERIODIC TABLE OF ELEMENTS - PubChem
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 …
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/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/compound/water
Water | H2O | CID 962 - PubChem
This reaction was carried out in an honors general chemistry laboratory without incident during the afternoon, but a fire was discovered in the lab two hours after everyone had left. It destroyed …
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.
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