Shorthand configuration of phosphorus

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

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

Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by