Physical Science Quiz 3

What is the primary outcome of Big Bang nucleosynthesis?

• Formation of galaxies

• Production of heavy elements like iron

• Synthesis of light elements like hydrogen and helium

• Emergence of cosmic microwave background radiation

Which of the following statements best represents an understanding of the process of stellar nucleosynthesis?

• Stellar nucleosynthesis is the fusion of hydrogen and helium in the interstellar medium.

• Stellar nucleosynthesis involves the formation of stars from dust and gas clouds.

• Stellar nucleosynthesis is the process by which stars generate energy through nuclear fusion, producing heavier elements.

• Stellar nucleosynthesis refers to the formation of planets within a protoplanetary disk.

What element would likely to form when a nucleus of Deuterium atom (H-2) collides with a nucleus of a Hydrogen atom (H-1) during Big Bang Nucleosynthesis?

• He-3

• Tritium

• H-4

• Deuterium

By using the diagram below, what kind of nuclear process is being observed when the core of average stars converts Hydrogen to Helium?

• Stellar Nucleosynthesis        

• Proton-Proton Chain

• CNO Cycle    

• Alpha Ladder Process

During in the Triple Alpha Process, three Helium-4 atoms are converted into Carbon-12, just as shown in the image below. Express in a nuclear equation the collision of two Helium-4 atoms to form a new element.