Which element is represented by the electron configuration in example b?

Potassium

Explanation:

If you look at the image I attached (which I highly suggest keeping available in your notes) you can go to the 4s sublevel and count from left to right one space and see that it lands on 19. 19 is potassium. Hope this helped!!

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.