Chemistry & Materials 25-40
16 entries in the Chemistry & Materials compendium.
NeptuniumNeptunium is a chemical element with symbol Np and atomic number 93. A radioactive actinidNickelSilvery-white metal, ferromagnetic, key to stainless steel and batteries.NiobiumA transition metal with superconducting and alloy-strengthening properties.NitrateNitrate is a polyatomic ion used in fertilizers and explosives.Nitric acidA highly corrosive mineral acid used in nitration and oxidation.NitrogenNitrogen is a colourless, odourless diatomic gas forming 78% of Earth's air.Nitrous oxideA gas with medical, recreational, and industrial uses.Noble gasGroup 18 elements with full valence shells and low reactivity.Nuclear chemistrySub-field of chemistry studying radioactivity and nuclear processes.NuclideA class of atoms defined by proton and neutron numbers.NylonFirst commercially successful synthetic thermoplastic polymer.Organic chemistryStudy of carbon compounds, basis of life and industry.Organic compoundCarbon-based compounds central to life and chemistry.Organometallic chemistryStudy of compounds with metal-carbon bonds, bridging inorganic and organic chemistry.Organosilicon chemistryStudy of carbon–silicon bond compounds, key to silicones and industry.Organosulfur chemistryStudy of organic compounds containing sulfur.
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