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PH b. are rare Whon a solution becomes oversaturated, new solid particles are sa

ID: 289369 • Letter: P

Question

PH b. are rare Whon a solution becomes oversaturated, new solid particles are sald to a. precipitate fre b. dissolve into the solution m the solution react with the solution and produce heat 1 d. rapidly expand, causinganexplosion 3, The a. number of electrons b. number of protons e. number of neutrons d. total woight of one atom atomic number of an element corresponds to the and CO3 are all examples of_ a. organic c b. sillicate minerals c. anions d. cations 5-1 Which of the following is NOT a mineral? a. quartz b. diamond Minerals are allnaturally ocourring solid substances with a definable chemical compoeition 6. with a definable chemical composition. They must also possess a. an ability to be synthesized in the laboratory as well as be found in nature b. metallic elements, such as iron, calcium, or magnesium c. metallic luster d. a fixed crystalline structure (spatial arrangement of atoms and ions) 7. When two different minerals have the same chemical formula but different crystal structures, they are said to be_ a. polymorphs b. polyliths c. monoliths d. This is not possible. Two minerals cannot have the same chemical formula. 8. Which of the following is NOT true about minerals? a. All minerals are compounds of more than one element. b. All minerals are naturally made. c. Some minerals are precipitated by organisms. d. All minerals can be expressed as chemical formulas. Which of the following choices has particles ordered from smales to largestin size? a. atom, nucleus, proton, electron b. electron, proton, nucleus, atom c. proton, electron, nucleus, atonm d. atom, electron, nucleus,proton 10. Which of the following is NOT a way for minerals to crystallize? a. solidification of a melt (lava/magma) b. bonding carbon to oxygen atoms to form organic compounds c. solid-state diffusion d. biomineralization

Explanation / Answer

1. b. are rare

2. a.precipitate from the solution

3.b. number of protons

4.c.anions

5. c.petroleum.

6.d. a fixed crystalline structure(spatial arrangement of atoms and ions)

7. a.polymorphs

8.b.All minerals are naturally made

9.b. electron,proton,nucleus, atom

10. b. bonding carbon to oxygen atoms to form organic compounds.

11. d.carbon

12. d. streak

13. c. luster

14.b. being scratched

15. b.specific gravity

16. c. Diamonds are morethan seven times as hard as quartz.