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APS-Semester1
Vocab
| Question | Answer |
|---|---|
| What did Bohr contribute to the atomic model? | -Electrons orbit around the protons and neutrons -He conducted experiments |
| What did Dalton contribute to the atomic model? | -He came up with four therories -Studied by using gases -Combined different elements -Behaved Differently |
| What did Democritus contribute to the atomic model? | -Atom containing both a + and - charge (charge in atoms) -Tested w/ cathode ray tubes |
| What did Rutherford contribute to the atomic model? | -The nucleus has protons and neutrons -Gold foil experiment |
| What is the nucleus? | The center control system of the atom |
| What is the electron cloud? | The area around the nucleus were the electrons are found |
| What is an ion? | -A particle that is electrically charged (pos. or neg.) -Electrons do not = protons (net charge) |
| What is an isotope? | One of two atoms with the same atomic number with different numbers of neutrons *(different masses)* |
| What is a neutral charged atom? | protons and electrons are equal |
| What are the 4 fundamental forces? (Weakest to Strongest) | 1.Gravitational Force 2.Weak Force 3.Electromagnetic Force 4.Strong Force |
| Gravitational Force | -Particles have mass |
| Weak Force | -When atoms decay (lose particles) |
| Electromagnetic Force (EM) | pro(+) electrons(-) |
| Strong Force | -mixes protons and neutrons together -(rubber band) |
Created by:
Shannyy
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