Stellar Nucleosynthesis and Supernova Nucleosynthesis

Heavier elements are formed in the ____ and ____ of the star through nuclear fusion reaction.

• inside and outside

• cores and shells

• crust and core

• crust and shell

It is a cloud of gas and dust in space believed to develop into a star.

• nebula

• main sequence star

• red giant

• protostar

Elements formed by fusion with five to eight nucleons are very stable.

• True

• False

How were the elements heavier than iron formed?

• big bang nucleosynthesis

• supernova nucleosynthesis

• stellar nucleosynthesis

• nucleosynthesis

What is the most stable nuclei in the interior core of a star?

• hydrogen

• iron

• helium

• neon

Elements heavier than iron can be formed through fusion.

• True

• False

Process by which chemical elements are created by nuclear fusion reactions within stars.

• nucleosynthesis

• stellar nucleosynthesis

• big bang nucleosynthesis

• supernova nucleosynthesis

It is a process that involves the combination or fusion of three alpha particles to form a carbon nucleus.

• triple alpha process

• alpha ladder

• proton-proton chain

• s - process

Alpha Ladder and CNO Cycle are two processes that occur inside of main sequence star.

• True

• False

Happens when there is faster rate of capturing neutron before it undergoes radioactive decay.

• alpha ladder

• triple alpha process

• s - process

• r - process