1 Atomic Theory Quick Quiz

Last updated 7 months ago
15 questions
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1

We NOW (currently) know that electrons move slowly on orbits around the nucleus.

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What do we call our current model of the atom?

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Who was the first to say that MATTER could be broken down into smaller parts; he gave the atom its name by saying the smallest particle is indivisible, or "Atomos".

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Which scientist came up with the planetary model, which stated that electrons orbit the nucleus like planets and are arranged in a set pattern on energy shells according to their energy levels?

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This scientist was credited for creating several laws regarding the behavior and workings of atoms, such as "The Law of Conservation of Matter" and "The Law of Definite Proportions"

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This scientist discovered the proton and the nucleus, leading him to also discover that most of the atom is actually made up of empty space where the electrons reside.

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Who discovered the electron?

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This scientist discovered that there was another particle inside the nucleus and that it had a neutral charge. He called this subatomic particle the Neutron

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Who was the first scientist who said that ATOMS could be broken down into smaller parts when he discovered the first subatomic particle.

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Which scientist came up with this model that said electrons floated freely in a positively charged space? It is often referred to as the Plum Pudding Model

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Whose model of an atom said that protons exist inside a space called the nucleus while electrons float randomly around the nucleus in a free space?
HINT: It was called the Nuclear model due to the recent discovery of the nucleus

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What is the location and charge of electrons within an atom?

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Which is a true statement?

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List the scientists in chronological order (from oldest to most recent)

  1. Bohr
  2. Dalton
  3. Democritus
  4. Chadwick
  5. Rutherford
  6. Thomson
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Whose model of the atom included NEUTRONS in the nucleus?