How big are protons compared to electrons

In an experiment, how can i change human errors? be specific.

How many atoms of nitrogen are in the chemical formula ni(w on

Aphoton is absorbed by an electron that is in the n = 3 state of a hydrogen atom, causing the hydrogen atom to become ionized. very far away from the nucleus, the released electron has a velocity of 750,000 m/s. what was the wavelength of the absorbed photon?