What is a significant figure of 0.502 ?

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.

Neutral atoms of argon, atomic number 18, have the same number of electrons as each of the following items except: cl- s -2 k+ ca +2 ne

What three relationships are true at equilibrium