# data[].attributes.body
1. The way and how the electrons moved was more in a cloud formation
2. (Picture above)
3. He considered trying to measure the position of an electron with a gamma ray microscope
4. The position and the momentum of an object cannot both be known exactly

# data[].attributes.body
1. The electrons encircle the nucleus of the atom
2. (Picture above)
3. An atomic spectrum is made by the electrons in an atom moving energy levels
4. The energy of an electron is quantized, meaning an electron can be in one energy level

# data[].attributes.body
1. Having a tiny, dense, and positively charged core called the nucleus
2. (Picture above)
3. A beam of alpha particles as aimed at a piece of gold foil
4. There is a positively charged centre in an atom called the nucleus

# data[].attributes.body
1. Tiny negatively charged subatomic particles or electrons.
2. (Picture above)
3. He placed two oppositely-charged electric plates around a cathode ray
4. The particles making up the rays were 1,000 times lighter than the lightest atom

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1. He describes it as solid, massy, hard, impenetrable, movable particles
2. (Picture above)
3. Oxygen combined with one or two volumes of nitric oxide
4. All matter is made up of atoms, which are indivisible