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 …

Explore Resources Periodic Table of Elements Classification Browser Search and Analysis Tools Chemical Safety Information

PERIODIC TABLE OF ELEMENTS

PERIODIC TABLE OF ELEMENTS Chemical Group Block 18

Periodic Table Hydrogen Hydrogen is a chemical element with symbol H and atomic number 1. Classified as a nonmetal, Hydrogen is a gas at 25°C (room temperature).

May 8, 2019 · Table View is the traditional periodic table any scientist would instantly recognize. List View provides a summary view, allowing you to see all properties available for each element at once.

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 …

Nitric acid, red fuming appears as a pale yellow to reddish brown liquid generating red-brown fumes and having a suffocating odor. Very toxic by inhalation. Corrosive to metals or tissue. Prolonged …

Periodic Table Lead Lead is a chemical element with symbol Pb and atomic number 82. Classified as a post-transition metal, Lead is a solid at 25°C (room temperature).

13.1.17 Medical Surveillance Consider the points of attack /skin, eyes, respiratory system, lung/ in preplacement and periodic physical examinations.