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Minerals/Metals/Body-centered cubics/Quiz

< Minerals‎ | Metals‎ | Body-centered cubics

Body-centered cubic metal minerals is a lecture from the school of geology. It is about solid, crystalline substances containing body-centered cubic metal elements of the periodic table that occur in and compose astronomical objects. It focuses on materials that may occur on the surface of or associated with some astronomical objects.

This is a native chromium nugget. Credit: Neal Ekengren.

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Quiz edit

  

1 Yes or No, Radium is a body-centered cubic metal at room temperature.

Yes
No

2 Carnotite is a potassium uranium

radioactive mineral.

3 Yes or No, Barium is a body-centered cubic metal at room temperature.

Yes
No

4 Autunite occurs as an oxidizing product of uranium minerals in granite pegmatites and hydrothermal

.

5 True or False, Strontium is a body-centered cubic metal above 547°C.

TRUE
FALSE

6 Complete the text:

Elements usually emit a

during nuclear

or

.

7 True or False, Alkali minerals, or alkali metal minerals, are those with unusually high concentrations, atomic per cents, or weight per cents, of the body-centered cubic elements.

TRUE
FALSE

8 Carnotite is a mineral that may be associated with which phenomena?

varying water content
small amounts of calcium, barium, magnesium, iron, and sodium
a bright to greenish yellow mineral
demonstrating that Venus was once a comet
amounts as low as one percent will color sandstone a bright yellow.
an important uranium ore
usually found in sedimentary rocks in arid climates

9 Yes or No, Magnesium is a body-centered cubic metal from room temperature to melting.

Yes
No

10 A terrestrial planet is composed primarily of?

11 Yes or No, Chromium is a body-centered cubic metal at room temperature.

Yes
No

12 The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral

.

13 Yes or No, Vanadium is a body-centered cubic metal at room temperature.

Yes
No

14 Complete the text:

The extremely rare element technetium can be found in

in very small quantities (about 0.2 ng/kg), produced by the

fission of uranium-238.

15 True or False, Lithium is a body-centered cubic metal at room temperature.

TRUE
FALSE

16 Which geochemical phenomena are associated with magnesium?

forsterite
lightning
dolomite
whitlockite
gypsum
water worn, small, heavy, black, cubic crystals

17 True or False, Niobium is a body-centered cubic metal at room temperature.

TRUE
FALSE

18 Uranophane is a rare calcium uranium

hydrate mineral.

19 True or False, Beryllium is a bcc metal at higher temperatures up to melting.

TRUE
FALSE

20 Yes or No, Molybdenum is a bcc metal at room temperature.

Yes
No

21 Yes or No, Tantalum is a bcc metal at room temperature up to melting.

Yes
No


Hypotheses edit

Main article: Hypotheses
  1. Body-centered cubic metals make up many high-temperature minerals.

See also edit

External links edit

{{Radiation astronomy resources}}

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