185 Os → ? + 185 Re What particle is missing in the equation above?

please help

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

Newtons second law deals most cosely with

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li