Podcast
Questions and Answers
What is responsible for the array of colors emitted by fireworks?
What is responsible for the array of colors emitted by fireworks?
- Metal salts in the fireworks
- Combustion of explosive materials
- Heat emitted by fireworks
- Arrangement of electrons within the atoms (correct)
What do metal salts emit when they are heated?
What do metal salts emit when they are heated?
- Explosive sound waves
- Combustible gases
- Characteristic colors of light (correct)
- Electric sparks
What can be inferred about electrons based on the observed colors of light in fireworks?
What can be inferred about electrons based on the observed colors of light in fireworks?
- They can stay only in indefinite energy levels
- They emit light when heated
- Their arrangement is responsible for the colors of light (correct)
- They move randomly within the atom
What can be determined about the energy levels, sublevels, and atomic orbitals in an atom?
What can be determined about the energy levels, sublevels, and atomic orbitals in an atom?
How are the colors of light emitted by metals related to the structure of the atom?
How are the colors of light emitted by metals related to the structure of the atom?
Q1. What can you conclude about the elements and the color of flame produced?
Q1. What can you conclude about the elements and the color of flame produced?
Q2. If sodium nitrate is changed to another salt of sodium, ex. Sodium chloride (table salt), do you think the color of the flame would be the same or different. Why?
Q2. If sodium nitrate is changed to another salt of sodium, ex. Sodium chloride (table salt), do you think the color of the flame would be the same or different. Why?
Q3. How did Neils Bohr explain the spectral lines of an element shown in the spectroscope?
Q3. How did Neils Bohr explain the spectral lines of an element shown in the spectroscope?
Q4. What refinement did Schrödinger make to Bohr’s atomic model?
Q4. What refinement did Schrödinger make to Bohr’s atomic model?
Q5. How do the spectral lines in atomic emission spectra relate to electron energy levels?
Q5. How do the spectral lines in atomic emission spectra relate to electron energy levels?