When bonds between atoms are broken or formed, what is the outcome?
a.
a physical change
b.
an element increasing in size
c.
a chemical change
d.
a change of state

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?