Answer:
el volumen es igual a masa decidida por densidad
Density = mass / volume
Density = (78g) / (23cm^3)
Density = 3.4g/cm^3
Vol.250 before its to much pressure
Answer:
Explanation:The atomic number of sodium is 11. That is, the number of electrons in sodium is 11. Therefore, a sodium atom will have two electrons in the first shell, eight in the 2nd orbit, and an electron in the 3rd shell.
