See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
10 cards from this deck
Positive sphere with electrons embedded within
Ernest Rutherford, 1911
2 protons + 2 neutrons (helium nucleus)
1 in 8000
Tiny, dense, positive charge, nearly all mass
Most of the atom
Travel through empty space between nucleus & electrons
Direct collision with tiny, dense, positive nucleus
Accelerating electrons should emit radiation & spiral inward
Development of quantum physics
Select your subjects, and get access to A+ resources today.