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Atom Models

Across
Positively charged subatomic particle
Protons and neutrons are located here
Discovered that atoms contained electrons
Represented as the number of protons an element has.
Negatively charged subatomic paricle
Suggested that electrons are found in orbits around the nucleus.
Suggested that electrons do not orbit the nucleus, but move in a cloudlike region.
Down
The same element with a different number of neutrons
Protons and neutrons make this up in an atom
Represented as the sum of protons and neutrons
Believed atoms were hard small balls that could not be broken down.
Suggested that the atom was mostly empty space but had a positive charge at the center using a beam of light and gold foil.
Neutral subatomic particle