This is the online scientific reference and dictionary of inorganic chemicals. Safety notes and precautions, especially those of hazardous chemicals, are also included. Seest thou how faith wrought with his works, and by works was faith made perfect? .

Type in a keyword then click Search button. All constants are categorized into five different groups as shown on the right. The constants are listed in alphabetical order in each group. General electronic and magnetic behavior. Length, area, volume.

Words highlighted in bold italic. Means further reference is available in this dictionary. Currently, there are 744 entries. If you are looking for a specific chemical, please refer to Chemicals. If you are looking for an element, please refer to the Periodic Table of the Elements.

This is the online scientific reference and dictionary of the elements. The elements are arranged in the standard periodic table format as shown below. Click on the elements to reveal their properties, uses and history. The atomic number, element name and symbol will always be shown. Data that are not available will not be sorted. The version of the periodic table is based on the recommendation of the Commission on the Nomenclature of Inorganic Chemistry.

Patience is the companion of wisdom.

Welcome to the Science Shop at Etacude. If no product image appear above, click. This is the online shop selling scientific and educational products at Etacude. Each product can be customized to your likings. These include apparels, posters, mugs etc with various scientific and educational themes.