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General chemistry
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General chemistry
Bohr atom
Chemistry; General chemistry
A model of the atom that explains emission and absorption of radiation as transitions between stationary electronic states in which the electron orbits the nucleus at a definite distance. The Bohr ...
Bohr radius
Chemistry; General chemistry
The atomic unit of length, equal to 0.529 177 2083 × 10-10 m, with an uncertainty of 0.000 000 0019 × 10-10 m (1998 CODATA values)
Resonance effect
Chemistry; General chemistry
If electron density at a particular point in a molecule is higher or lower than what you'd expect from a single Lewis structure, and various canonical structures can be drawn to show how electron ...
Aqua regia
Chemistry; General chemistry
A mixture of nitric and hydrochloric acids, usually 1:3 or 1:4 parts HNO3 to HCl, used to dissolve gold.
First ionisation energy
Chemistry; General chemistry
The energy needed to remove an electron from an isolated, neutral atom.
Oxidising agent
Chemistry; General chemistry
A reactant that removing electrons from other reactants in a chemical reaction. oxidising agents cause other substances to be oxidised in chemical reactions while they themselves are reduced. For ...
Valence bond theory
Chemistry; General chemistry
A theory that explains the shapes of molecules in terms of overlaps between half-filled atomic orbitals , or half filled "hybridized" orbitals (which are a mixture of atomic orbitals).
