fatboi82
08.07.2019 •
Mathematics
Es posible hacer un triángulo de 45 45 45 grados ? ? por qué ?
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Ответ:
Sí, porque un triángulo equilátero tiene 3 lados congruentes y 3 ángulos congruentes.
Ответ:
10.8109 amu
Step-by-step explanation:
The average atomic mass of boron is determined as the average of the atomic masses of both isotopes weighed by their respective abundances.
Therefore, the average atomic mass is given by:
The average atomic mass of boron isotopes is 10.8109 amu.