unidad atómica

unidad atómica

A system of non-SI units used in quantum chemistry to simplify calculations and mathematical expressions. The definitions of atomic units include physical constants (like the speed of light , the rest mass of the electron, and other quantities that never change), so that all constants drop out of expressions when atomic units are used.

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unidad

Education; Colleges & universities

Positive numerical value used in assigning the value of a course.

unidad

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unidad de masa atómica (u, dalton)

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unidad de masa atómica (uma)

Physics; General physics

Es igual a un doceavo de la masa del isótopo de carbono 12, 1 uma = 1.66x 10-27 Kg.

clausura

Chemistry; General chemistry

Un término matemático que dice que si funciona con cualquier par de números reales A y B con +, -, * o /, se obtiene un número real.

ditributividad

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Una propiedad matemática que dice: A * (B + C) = (A * B) + (A * C).

frecuencia

Chemistry; General chemistry

Número de eventos en una determinada unidad de tiempo. Al describir una onda que se mueve, significa que el número de picos que pasan por un punto estacionario en una cantidad ...