Assumes that covalent bonds are formed when atomic orbitals on different atoms overlap and the electrons are shared.
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Gas of rotten eggs
If you happen to break a rotten egg, then you know the smell of hydrogen sulfide, because the stench of the spoiled egg depends on of its presence in rotting protein substances.
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Chemical Safety
People use chemicals every day for a wide array of purposes, which can include work and house hold duties. Many of us fail to realize that we are actually handling potentially deadly chemicals when we simply clean the bathroom or wash the car. This brings to mind the reason why chemical safety is...
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Diamonds Are Forever
Diamonds are still a girl's best friend, right? We love the shiny gems. They are the most popular rocks sold today. But what exactly are they, anyway? Where do they come from? What else are they used for?
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Why do copper products change color, and what is the name of the process?
Probably, every person wants to know, why over time the copper turns green and becomes bloomed. This is easy to explain: that film is called patina.
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Interesting facts about metals
Metals have been used by people since ancient times. All the time the process of obtaining them was improved, useful alloys of various metals appeared. Let’s look at interesting facts about metals.
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Excited State
Any state other than the ground state of an atom or molecule.
Lewis Base
Any species that can make available a share in an electron pair.
Emulsion
Colloidal suspension of a liquid in a liquid.
Atomic Weight
Weighted average of the masses of the constituent isotopes of an element, The relative masses of atoms of different elements.
Critical Pressure
The pressure required to liquefy a gas (vapor) at its critical temperature.
Electron Deficient Compounds
Compounds that contain at least one atom (other than H) that shares fewer than eight electrons.
Activation Energy
Amount of energy that must be absorbed by reactants in their ground states to reach the transition state so that a reaction can occur. In other words, activation energy is the minimum energy required for a chemical reaction to occur.
High Spin Complex
Crystal field designation for an outer orbital complex, all t2g and eg orbitals are singly occupied before any pairing occurs.
Bomb Calorimeter
A device used to measure the heat transfer between system and surroundings at constant volume.
Conformations
Structures of a compound that differ by the extent of rotation about a single bond.
