Atomic Physics Challenge

What is the basic principle of quantum mechanics?

• Entanglement

• Superposition

• Wave-particle duality

• Classical mechanics

Explain the Bohr model of the atom.

• According to the Bohr model, electrons can exist in any energy level at the same time.

• The Bohr model states that electrons move randomly around the nucleus.

• In the Bohr model, the nucleus is located outside the electron orbits.

• The Bohr model of the atom describes electrons orbiting the nucleus in quantized energy levels or shells.

How many electrons can occupy the s orbital?

• 6

• 2

• 4

• 8

What is the electron configuration of carbon?

• 1s2 2s3 2p3

• 1s2 2s2 2p2

• 1s2 2s1 2p3

• 1s2 2s3 2p1

What is the process of radioactive decay?

• Chemical reaction between atoms

• Formation of new elements in a nuclear reaction

• Stable atomic nucleus gaining energy by emitting radiation

• Unstable atomic nucleus losing energy by emitting radiation

Give an example of a nuclear reaction.

• Fusion reaction in the sun

• Nuclear reaction in a microwave

• Nuclear fusion in a toaster

• Nuclear fission in a light bulb

What is the Heisenberg Uncertainty Principle?

• It is the law that states all matter is made up of atoms.

• It is a theory that explains the behavior of light.

• It is impossible to simultaneously know both the exact position and the exact momentum of a particle.

• It is a mathematical equation used to calculate the energy of a particle.

Describe the Rutherford model of the atom.

• The Rutherford model of the atom describes atoms as having a dense, positively charged nucleus surrounded by orbiting electrons.

• The Rutherford model states that electrons are located in fixed energy levels around the nucleus.

• In the Rutherford model, electrons move in random paths around the nucleus.

• According to Rutherford, the nucleus of an atom is negatively charged.

What is the Aufbau principle in electron configuration?

• Electrons fill orbitals from the highest energy level to the lowest energy level.

• Electrons fill orbitals from the lowest energy level to the highest energy level.

• Electrons fill orbitals based on their mass.

• Electrons fill orbitals randomly.

What is the half-life of a radioactive element?

• The half-life of a radioactive element is the time taken for the element to become non-radioactive.

• The half-life of a radioactive element is the time taken for all of the radioactive nuclei in a sample to decay.

• The half-life of a radioactive element is the time taken for half of the radioactive nuclei in a sample to decay.

• The half-life of a radioactive element is the time taken for one-fourth of the radioactive nuclei in a sample to decay.