Which statement about bonding is correct? A. Forming bonds releases energy and is exothermic.

B. Forming bonds requires energy and is endothermic.

C. Breaking bonds releases energy and is endothermic.

D. Breaking bonds requires energy and is exothermic.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.