Atomic & Nuclear Physics

Thought anti-particles are science fiction
Thought electrons are hard spheres
Thought an atom is different than an element
Thought all electrons in an atom are identical
Thought neutrons have negative charges
Thought fusion and fission are the same thing
Thought everything has mass
Thought all elementary particles are hard spheres
Thought electrons can exist in any atomic orbits
Thought energy can not be created or destroyed
Thought spontaneous pair production is physically impossible
Thought elements are formed in places other than stars
Thought all isotopes are radioactive
Thought electrons exist in orbits like planetary orbits
Thought protons and electrons are the same except for charge
Thought anti-particles could not exist in the solar system
Thought fusion readily occurs at any temperature
Thought electron orbits are perfectly circular
Thought mass/matter are conserved
Thought nothing is smaller than an atom
Thought mass cannot be converted to energy
Thought the only evidence for neutrinos came from experiments in the polar regions
Thought electrons can’t gain energy
Thought there is no possibility of neutrino mass
Thought electrons, protons, and neutrons always existed
Thought all elements formed on Earth
Thought ions have a different number of protons and neutrons
Thought electrons are not particles
Thought elements have other differences beyond proton number
Thought isotopes have different number of protons