参考工具
General Reference
Periodic Tables
109 - Visual Elements- Visit the new visual
interpretation of the table of elements at chemsoc, the chemistry societies network
A Brief
History of the Development of the Periodic Table- Western Oregon University
Chemicool Periodic Table- Oxidation and
electrons, reactions, conductivity, and radius information; by David D. Hsu
Hyper Chemistry on the Web! – The
Periodic Table- Description of the elements' physical, structural, and chemical
properties; 1996 Thinkquest Entry
Magnetic Resonance Periodic Table-
Receive magnetic resonance information for an element
A Periodic Table of the Elements at Los Alamos
National Laboratory-Elemental properties, uses, sources, and handling; by the Los
Alamos National Laboratory
WebElements- Mark Winter's (University of
Sheffields) award winning site; elemental background, descriptions, and physical
properties
X-Ray Properties of the Periodic Table-
Choose an element and receive its x-ray properties
Tools
Acid Constants- Web-based
table of acid constants produced by Franklin and Marshall´s chemistry department.
Amino Acids-
Name, formulas, and descriptions of the amino acids
Astro-Physical Calculator-
A calculator with physical and astronomical constants and functions
Chemistry Functions-
Perform various calculations and conversions related to chemistry
Chemistry WebBook- Provides thermochemical,
thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data
Program
The Constants and Equations Pages-
Constants and equations with explanations and the meaning of the symbols used
Conversion of Units-
Conversion calculator by the Freie Universität Berlin (English and German versions)
EMBL
Protein & Peptide Group- Protein database searching by mass spectrometric data
Engineering Conversion – Tables –
Calculators- Conversions especially for engineers
Entisoft Units - Measurement Conversion
Calculator - Download calculator to convert units
Fundamental
Physical Constants from NIST- Provides values for constants and their uncertainties
IFP – Metric Conversion Tables-
Conversions from and to metric, imperial, and U.S. measurement systems
Mass Spec Peptide Fragment Ion Calculator at UCSF
Molecular Weight Calculator - Enter a
chemical compound to determine its molecular weight
Protein Data Bank- An archive of experimentally
determined three-dimensional structures of biological macromolecules
TheRate- Determine rate constants from electronic
structure molecular orbitals and density functional theory
Unit Conversion Tables-
Lists tables to determine conversion between units
History
Atomic Structure
Timeline- History of the different models of atomic structure.
The History of Chemistry- by the 1992
Woodrow Wilson Summer Institute
The Official Website of the Nobel Foundation - Names and
biographies of the Nobel Prize winners
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