Chapter 3
Molecules, Compounds, and Chemical Equations
![Molecules and Compounds](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11249.jpg)
Everything in the universe is made up of matter, and matter is composed of a combination of elements. An atom is the smallest unit of an element…
![Chemical Formulas](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11250.jpg)
A chemical formula presents information about the proportions of atoms constituting a particular chemical compound or molecule, mainly using symbols…
![Classification of Elements and Compounds](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11252.jpg)
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom,…
![Ionic Compounds: Formulas and Nomenclature](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11253.jpg)
An element composed of atoms that readily lose electrons (a metal) can react with an element composed of atoms that readily gain electrons (a…
![Organic Compounds](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11255.jpg)
All living things are formed mostly of carbon compounds called organic compounds. The category of organic compounds includes both natural and…
![Formula Mass and Mole Concepts of Compounds](https://cloudfront.jove.com/files/media/science-education/science-education-thumbs/11256.jpg)
Chemical formulas represent the elemental makeup of substances. For covalent compounds, the formula represents the numbers and types of atoms…
![Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds](https://cloudfront.jove.com/files/thumbs/56656_t.png)
Using Cyclic Voltammetry, UV-Vis-NIR, and EPR Spectroelectrochemistry to Analyze Organic Compounds
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Cyclic voltammetry (CV) is a technique used in the analysis of organic compounds. When this technique is combined with electron paramagnetic…
![Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids](https://cloudfront.jove.com/files/thumbs/58058_t.png)
Synthesis of Bimetallic Pt/Sn-based Nanoparticles in Ionic Liquids
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We demonstrate a method for the synthesis of bimetallic nanoparticles consisting of Pt and Sn. A synthesis strategy is used in which the particular…
![Interactive Molecular Model Assembly with 3D Printing](https://cloudfront.jove.com/files/thumbs/61487_t.png)
Interactive Molecular Model Assembly with 3D Printing
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With the growth in accessibility of 3D printing, there has been a growing application of and interest in additive manufacturing processes in chemical…