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Formation of Heavy Elements

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

This is a process by which elements are created within the star.

a)

Big Bang Nucleosynthesis

b)

Stellar Nucleosynthesis

c)

Supernova Nucleosynthesis

2.

If the sun reaches the end of red giant phase, it will evolve into a _______.

a)

black hole

b)

supernova

c)

red super giant

d)

white dwarf

3.

In a main sequence star, Hydrogen atoms fuse to form Helium. Helium is then converted into ​____ at its core

a)

iron

b)

neon

c)

carbon

d)

silicon

4.

which of the following processes happen in a massive main sequence star?

a)

Alpha Ladder process

b)

CNO Cycle

c)

S - process

d)

R - process

5.

This is a process by which elements heavier than iron are formed.

a)

Big Bang Nucleosynthesis

b)

Stellar Nucleosynthesis

c)

Supernova Nucleosynthesis

6.

This happens when there is slow rate of capturing neutron while there is a faster rate of radioactive decay.

a)

proton-proton chain

b)

Triple Alpha process

c)

S - process

d)

R - process

7.

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

a)

proton-proton chain

b)

Triple Alpha process

c)

S - process

d)

R - process

8.

This is a nuclear fusion reaction where Hydrogen is converted to Helium.

a)

proton-proton chain

b)

Triple Alpha process

c)

S - process

d)

R - process

9.

This is how THREE HELIUM-4 is converted into Carbon in a red giant star.

a)

proton-proton chain

b)

Triple Alpha process

c)

S - process

d)

R - process

10.

which of the following is also called the alpha particle?

a)

Hydrogen - 2

b)

Hydrogen - 3

c)

Helium - 3

d)

Helium - 4