Drag each tile to the correct box.
match each set of energy sublevels to the principal energy level that contains them.
s sublevel
s and p sublevels
s, p, and d sublevels
third energy level
first energy level
second energy level

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?