What is the amplitude of a wave? the distance between two crest points of a wave
the number of times per second the wave cycles
the height of the wave from its rest position to its crest or trough
the energy and loudness of the wave

When would a bouncy ball have the most potential energy

Draw the lewis dot structure for each of the following polyatomic ions

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!