The atom as a whole
doesn’t carry any electric charge. It’s called a .

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

The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.

What is a number added in front of a formula in order to balance the equation