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Our resource for Chemistry includes answers to chapter exercises, as well as detailed information to walk you through the process step by step. With Expert Solutions for thousands of practice problems, you can take the guesswork out of studying and move forward with confidence.
Our resource for Modern Chemistry includes answers to chapter exercises, as well as detailed information to walk you through the process step by step. With Expert Solutions for thousands of practice problems, you can take the guesswork out of studying and move forward with confidence.
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- Absolute Zero to Amine
- Base to Crystal
- Delocalization to Exothermic
- Family to Mole
- Node to RMS Velocity
- Salt to Triple Point
- Unit Cell to VSEPR
absolute zero- Absolute zero is 0K. It is the lowest possible temperature. Theoretically, at absolute zero, atoms stop moving. accuracy- Accuracy is a measure of how close a measured value is to its true value. For example, if an object is exactly a meter long and you measure it as 1.1 meters long, that is more accurate than if you measured it at 1...
base - A base is a compound that produces OH- ions or electrons in water or accepts protons. An example of a common base is sodium hydroxide, NaOH. beta particle - A beta particle is an electron, although the term is used when the electron is emitted in radioactive decay. binary compound - A binary compound is one made up of two elements. binding e...
delocalization- Delocalization is when electrons become free to move all over a molecule, such as when double bonds occur on adjacent atoms in a molecule. denature - There are two common meanings for this in chemistry. First, it can refer to any process used to make ethanol unfit for consumption (denatured alcohol). Second, denaturing can mean brea...
family - A family is a group of elements sharing similar properties. It is not necessarily the same thing as an element group. For example, the chalcogens or oxygen family consists of different elements from the nonmetal group. Kelvin - Kelvin is a unit of temperature. A Kelvin is equal in size to a degree Celsius, although Kelvin starts from absol...
node- A node is a location in an orbital with no probability of containing an electron. nucleon- A nucleon is a particle in the nucleus of an atom (proton or neutron). oxidation number The oxidation numberis the apparent charge on an atom. For example, the oxidation number of an oxygen atom is -2. period- A period is a row (left to right) of the pe...
salt- An ionic compound formed from reacting an acid and a base. solute - The solute is the substance that gets dissolved in a solvent. Usually, it refers to a solid that is dissolved in a liquid. If you are mixing two liquids, the solute is the one that is present in a smaller amount. solvent - This is the liquid that dissolves a solute in solutio...
unit cell- A unit cell is the simplest repeating structure of a crystal. unsaturated - There are two common meanings for unsaturated in chemistry. The first refers to a chemical solution that does not contain all the solute that can be dissolved. Unsaturated also refers to an organic compound with one or more double or triple carbon-carbon bonds. u...
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GCSE Chemistry Key Words Reduction with carbon: Metals less reactive than carbon can be extracted from their oxides by reduction with carbon. Strong acid: A strong acid is completely ionised in aqueous solution. Examples of strong acids are hydrochloric, nitric and sulfuric acids.
