electron pair
[/ɪˈlɛktrɑn pɛr/]
nounpl: electron pairs
par de elétrons
1. Two electrons occupying the same orbital in an atom or molecule, typically with opposite spins as required by the Pauli exclusion principle
The oxygen atom in water has several electron pairs in its valence shell.
O átomo de oxigênio na água tem vários pares de elétrons em sua camada de valência.
2. A covalent bond formed by the sharing of two electrons between two atoms
Each single bond consists of one electron pair shared between two atoms.
Cada ligação simples consiste em um par de elétrons compartilhado entre dois átomos.
3. In coordination chemistry, a pair of electrons donated by a ligand to a metal center forming a coordinate covalent bond
The ammonia molecule donates an electron pair to the metal ion.
A molécula de amônia doa um par de elétrons para o íon metálico.
This is a fundamental concept in chemistry education throughout both Brazil and the United States. In Brazilian schools, it is taught as part of the standard chemistry curriculum (Química Geral) and is essential for understanding molecular structure and chemical bonding. The term is used identically in both academic and professional contexts across both countries.
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →