Which equation represents energy being absorbed as a bond is broken?
a. H + H → H2 + energy
b. H + H + energy → H2
c. H2 → H + H + energy
d. H2 + energy → H + H

In the 1800s, one of the statements in john dalton's atomic theory was that atoms are indivisible. later experimental evidence led to the discovery of subatomic particles such as neutrons, electrons, and protons. what happened to the indivisible atom part of dalton's atomic theory, and why?

What is the formula for the compound dinitrogen pentoxide? a. n4o5 b. n5o4 c. n4o6 d. n5o2 e. n2o5

Which compound contain an iron with a 3+ charge