atomic structure
Cards (49)
- What model of the atom is discussed first in the video?
- How did the plum pudding model describe the atom?
- What are the particles that were unknown during the plum pudding model era?
- What is the current model of the atom centered around?
- What particles make up the nucleus?
- What is the relative mass of neutrons and protons?
- What is the nature of most of the atom's structure?
- What do electrons do in relation to the nucleus?
- Who conducted the alpha scattering experiment?
- What was the purpose of Rutherford's alpha scattering experiment?
- What was the key finding regarding alpha particles in the experiment?
- What conclusion was drawn about the atom from the experiment?
- What does the small mass in the center of the atom indicate?
- What is an isotope?
- How does the mass number change when a neutron is added?
- What happens to the charge when neutrons are added or removed?
- What defines an ion?
- What happens to the charge of an ion when electrons are gained or lost?
- Why is the proton number important?
- What are the three types of radiation mentioned?
- What is alpha radiation?
- How ionizing is alpha radiation?
- How far can alpha particles travel in air?
- What stops alpha particles?
- What is beta radiation?
- How ionizing is beta radiation?
- How far can beta particles travel in air?
- What stops beta particles?
- What is gamma radiation?
- How ionizing is gamma radiation?
- How far can gamma rays travel in air?
- What stops gamma rays?
- What is half-life?
- What causes a nucleus to become unstable?
- How is radiation measured?
- Is radioactive decay a predictable process?
- What is activity in the context of radiation?
- What happens to activity over time?
- What is irradiation?
- How can irradiation be reduced?