English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

6 answers

it was clear through experiment that electrons are needed for electricity and that their mass was determined to be less than that of even the smallest atom, hydrogen.
protons were discoved by examining gold foil.
Neutrons were discovered to make up for the total mass of atoms
Quarks are discovered by smashing atoms and other particles together and then observing the results

2006-09-23 05:32:04 · answer #1 · answered by Greg G 5 · 0 0

They do exist. Their values are what makes protons positive and neutrons neutral... They have a positive and negative value. Their "arrangement"
(equations) within neutrons and protons gives them a charge: + for the proton and + -=0 for the neutron.

2006-09-23 06:08:40 · answer #2 · answered by Yahoo! 5 · 0 0

Through science.

2006-09-23 06:06:11 · answer #3 · answered by Anonymous · 0 0

Major advances in science and technology.

2006-09-23 05:29:44 · answer #4 · answered by Anonymous · 0 0

I believe through fractal graphing and light diffusion

2006-09-23 05:27:38 · answer #5 · answered by Brian F 4 · 0 0

They are not seen with naked eyes but their existence can be verified.

2006-09-23 05:58:13 · answer #6 · answered by ag_iitkgp 7 · 0 0

fedest.com, questions and answers