Modern Periodic 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 › docs › periodic-table-element-pages
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 launching the PubChem Periodic Table and corresponding Element pages.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › periodic-table › electron-affinity
Electron Affinity | Periodic Table of Elements - PubChem
Explore how electron affinity 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.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › element › Tellurium
Tellurium | Te (Element) - PubChem
Periodic Table element Summary Tellurium. Tellurium is a chemical element with symbol Te and atomic number 52. Classified as a metalloid, Tellurium is a solid at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › element › Nitrogen
Nitrogen | N (Element) - PubChem
Periodic Table element Summary Nitrogen. Nitrogen is a chemical element with symbol N and atomic number 7. Classified as a nonmetal, Nitrogen is a gas at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › element › Polonium
Polonium | Po (Element) - PubChem
Periodic Table element Summary Polonium. Polonium is a chemical element with symbol Po and atomic number 84. Classified as a metalloid, Polonium is a solid at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › element
Hydrogen | H (Element) - PubChem
Periodic Table element Summary Hydrogen. Hydrogen is a chemical element with symbol H and atomic number 1. Classified as a nonmetal, Hydrogen is a gas at room temperature.
nih.gov
https://pubchem.ncbi.nlm.nih.gov › element › Oganesson
Oganesson | Og (Element) - PubChem
Periodic Table element Summary Oganesson. Oganesson is a chemical element with symbol Og and atomic number 118. Classified as a noble gas, Oganesson is a expected to be a gas at room temperature.
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