What's is the mass of 0.500 mol nh3

Si una estrella no tiene paralaje medible, ¿qué puedes inferir?

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.