Podcast
Questions and Answers
Describe the Bohr model of the atom.
Describe the Bohr model of the atom.
The Bohr model of the atom describes electrons orbiting the nucleus in fixed energy levels or shells.
Define electron.
Define electron.
An electron is a subatomic particle with a negative charge that orbits the nucleus of an atom.
What is the nucleus of an atom composed of? Define each component.
What is the nucleus of an atom composed of? Define each component.
The nucleus of an atom is composed of protons and neutrons. Protons are positively charged particles, while neutrons have no charge.
Define atomic number.
Define atomic number.
Discuss electron shells and orbits and their energy levels.
Discuss electron shells and orbits and their energy levels.
What is a valence electron?
What is a valence electron?
What are the two important theories that underlie the quantum model?
What are the two important theories that underlie the quantum model?
How are electrons in the quantum model different from the Bohr model?
How are electrons in the quantum model different from the Bohr model?
What characteristic of electrons is compared to the velocity of an orbiting electron in the quantum model?
What characteristic of electrons is compared to the velocity of an orbiting electron in the quantum model?
What is the significance of the wave-particle duality in the quantum model?
What is the significance of the wave-particle duality in the quantum model?
How is the size of an atom often described in relation to its components?
How is the size of an atom often described in relation to its components?
If the proton in a hydrogen atom were the size of a golf ball, how far away would the electron orbit be?
If the proton in a hydrogen atom were the size of a golf ball, how far away would the electron orbit be?
What are the smaller particles found within protons and neutrons?
What are the smaller particles found within protons and neutrons?
According to Heisenberg, what is impossible to determine simultaneously for an electron?
According to Heisenberg, what is impossible to determine simultaneously for an electron?
What are probability clouds in the context of an atom?
What are probability clouds in the context of an atom?
Who showed that every particle has wave characteristics?
Who showed that every particle has wave characteristics?
How many subshells, designated s, p, d, and f, can each shell or energy level in the quantum model consist of?
How many subshells, designated s, p, d, and f, can each shell or energy level in the quantum model consist of?
How many electrons can an orbital s hold at most?
How many electrons can an orbital s hold at most?
