The atomic number of a atoms identified the number of protons in its nucleus. in overall charge on the atom is neutral, what the atomic numberalso identify

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium

Gymnast always perform on padded mats. how does the mats protect the gymnast

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.