Environmental Studies

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Which of the silicate structures would you expect to be the most stable and resistant to weathering ... Started by mia	1 Replies 45 Views	Jul 16, 2018 by ErinKing
Which statement is true about the composition of minerals? A) Minerals are composed of elements. ... Started by rlane42	3 Replies 136 Views	Jul 16, 2018 by Brenm
Why does iron, when added to quartz, cause the purple color of amethyst? A) The presence of trace ... Started by jazziefee	1 Replies 170 Views	Jul 16, 2018 by vkodali
Critique the following statement made by a student looking at a TEM image of dolomite. The TEM ... Started by evelyn o bentley	1 Replies 69 Views	Jul 16, 2018 by scikid
Carbon and oxygen atoms do not show up as well as calcium and magnesium atoms on a transmission ... Started by jasdeep_brar	1 Replies 178 Views	Jul 16, 2018 by kescobar@64
Ionic bonds are found in calcite. What could this suggest about its physical properties? A) It is ... Started by jasdeep_brar	1 Replies 94 Views	Jul 16, 2018 by kxciann
Covalent bonds are found in quartz. What could this suggest about its physical properties? A) It ... Started by Beheh	1 Replies 106 Views	Jul 16, 2018 by Leostella20
What type of minerals dissolves best in water? A) metallically bonded minerals B) covalently ... Started by formula1	1 Replies 225 Views	Jul 16, 2018 by Bigfoot1984
In order for an atom to substitute for dominant atoms in a crystal structure, and therefore alter ... Started by kwoodring	1 Replies 116 Views	Jul 16, 2018 by juiceman1987
Which factor determines whether calcite or aragonite will form? A) temperature B) pressure C) ... Started by berenicecastro	3 Replies 85 Views	Jul 16, 2018 by momo1250
What factor increases the hardness of ionic substances? A) the presence of more free electrons ... Started by BRWH	1 Replies 72 Views	Jul 16, 2018 by Eazy416
Which is not a factor that determines if bond strength will increase? A) close distance of atoms ... Started by bio_gurl	1 Replies 80 Views	Jul 16, 2018 by moormoney
About how many minerals make up the majority of rocks on Earth's surface? A) 10 B) 12 C) 40 ... Started by Tazate	1 Replies 84 Views	Jul 16, 2018 by milbourne11
How does bonding affect the hardness of a crystal? A) Covalently bonded crystals are harder than ... Started by CharlieWard	1 Replies 107 Views	Jul 16, 2018 by fwbard
How many elements make up most of Earth's crust? A) 4 B) 12 C) 40 D) ... Started by crobinson2013	1 Replies 122 Views	Jul 16, 2018 by meow1234
Most economically valuable metals are processed from A) ionic compounds. B) silicate ores. C) ... Started by mynx	1 Replies 138 Views	Jul 16, 2018 by wfdfwc23
How do mineral substitutions occur? A) If minerals deep within the Earth's surface melt, elements ... Started by pragya sharda	1 Replies 241 Views	Jul 16, 2018 by ynlevi
A mineral has the physical property of strong luster. What can be inferred about the elemental ... Started by evelyn o bentley	3 Replies 205 Views	Jul 16, 2018 by succesfull
True or False: A mineral may vary in color, but its streak color is always the same. Indicate ... Started by mp14	1 Replies 207 Views	Jul 16, 2018 by Melissahxx
A mineral has a value of 8 on the Mohs hardness scale. What could this represent? A) The mineral ... Started by craiczarry	1 Replies 152 Views	Jul 16, 2018 by amandalm
True or False: Color is always a reliable property for identifying a mineral. Indicate whether ... Started by notis	1 Replies 85 Views	Jul 16, 2018 by Brummell1998
True or False: All major rock forming minerals are silicates. Indicate whether this statement is ... Started by Lisaclaire	1 Replies 84 Views	Jul 16, 2018 by gasdhashg
Which mineral property depends on bond type and the spacing of atoms within the crystal? A) ... Started by sammy	1 Replies 110 Views	Jul 16, 2018 by scottmt
Determine if cubic zirconia meets the definition of a mineral. If the substance doesn't meet the ... Started by iveyjurea	1 Replies 103 Views	Jul 16, 2018 by Briannahope
True or False: Cleavage planes form where bonds are weakest in minerals. Indicate whether this ... Started by sammy	1 Replies 233 Views	Jul 16, 2018 by dlook33