4,179,404 views
11 years ago
599,958 views
7 years ago
1,413,336 views
1 month ago
CrashCourse
15.6M subscribers
Tags
crash course
chemistry
education
learn
teach
general
nucleus
lesson
hank green
atom
atomic theory
proton
neutron
observation
einstein
proof
particle
brownian motion
subatomic particle
nucleon
property
atomic number
chemical symbol
charge
neuclear physics
relative atomic mass
isotope
mass number
strong force
teacher
teacher resources
6000 Comments