Phy Sci Q3 Lesson 2

Cosmic Ray Spallation is also known as...

• x-process

• y-process

• r-process

• s-process

A process that involves rapid capture of neutrons by the atom.

• x-process

• y-process

• r-process

• s-process

A process that involves slow neutron capture in red giants.

• x-process

• y-process

• r-process

• s-process

What does the number 4 represents?

• Element symbol

• Mass number

• Atomic number

• Charge

What does the number 6 represents?

• Element symbol

• Mass number

• Atomic number

• Charge

What does the letter "H" represents?

• Element symbol

• Mass number

• Atomic number

• Charge

These are reactions which resulted in the formation of nuclei of new elements inside the stars.

• Alpha process

• Cosmic ray spallation

• Supernova nucleosynthesis

• Stellar nucleosynthesis

If an element is used up by a star in fusion, it is sometimes called "burning" even though no actual combustion occurs. which of the following processes is likely to involve "carbon burning"?

• Triple alpha process

• Alpha ladder

• CNO cycle

• Stellar nucleosynthesis

Which of the following reactions is not part of the Alpha ladder?

• 
• 
• 
• 

Which of the following processes is likely to generate the heaviest element?

• r-process

• Stellar nucleosynthesis

• Triple alpha process

• CNO cycle