A compound contains 36.87% Nitrogen and 63.13% Oxygen. Calculate the Empirical Formula of the Compound

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

Hno3(aq) → h+(aq) + no3−(aq). picture ii best represents the strong acid hno3. strong acids are strong electrolytes

Both models are effective because they show the valence electrons, and these valence electrons indicate the reactivity of an element.

While unproven, it uses facts to support part of a conclusion. it is still factual and has predictive power, however.