Aballoon filled with helium has a volume of 31.7 l at 281 k. what volume will the balloon occupy at 249 k?

l

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

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

What are the chemical names of these compounds? ke: mg3n2: reset next