Chemicals/Thoriums/Quiz

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Just eight grams of thorium would be enough to power a vehicle for its entire life. Credit: Charles Stevens.

Thoriums is an effort, in a lecture format, to describe the chemicals of the element thorium.

You are free to take this quiz based on the lecture/article thoriums at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links, and in the {{chemistry resources}} and {{geology resources}} templates. This should give you adequate background to get 100 %.

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Enjoy learning by doing!

Quiz[edit]







  

1

Yes or No, The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral monazite.

Yes
No

2

Monazite can occur as a tabular

.

3

Yes or No, 227Th is also called radioactinium.

Yes
No

4

True or False, The difference between geochemical reactions and astrochemical reactions is that one is restricted to Earth.

TRUE
FALSE

5

Complete the text:

is a rare thorium

mineral with the formula

.

6

Yes or No, Thorium occurs in all granites.

Yes
No

7

True or False, 234Th is also known as Uranium X1.

TRUE
FALSE

8

Yes or No, At room temperature and pressure, thorium crystallizes into a face-centered cubic lattice.

Yes
No

9

True or False, Thorium is a silvery, radioactive, metallic element.

TRUE
FALSE

10

Yes or No, Thorium is chemical element number 90 in the periodic table.

Yes
No


Hypotheses[edit]

  1. There is at least one chemical unique to Earth.

See also[edit]

External links[edit]

{{Chemistry resources}}