Broad General Education

Topics

S1 Physics

S2 Physics

Atomic Structure

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
In order to understand what electrical is you have to know how atoms are made up.
Atoms have a small dense that contains two types of particles, called and protons. These particles are held together by a very strong force and escape from the nucleus. Around the nucleus electrons travel in circular . The width of the whole atom is about 10000 times than the nucleus.
diagram of an atom