What structural formula represents 4 electrons shared between two atoms

a.0=0

b. s8

c. p4

d. n=n

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

What are the coefficients to balance the following equation? ba+br=babr2

The activation energy for a(n) is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process. combustion reaction endothermic reaction exothermic reaction catalyzed reaction