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Elements and Compounds Quiz


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#1276 Guest_pickledonna

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Posted 15 September 2007 - 04:36 AM

Elements with atomic numbers that are higher than 92 are called transuranic element, I think.
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#1277 Guest_xXx|Mage|xXx

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Posted 15 September 2007 - 11:01 AM

Elements with atomic numbers that are higher than 92 are called transuranic element, I think.

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#1278 Guest_TyphoonMaster

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Posted 16 September 2007 - 03:46 PM

These are the van der Waal's forces that occur between one polar molecule and another one.
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#1279 Guest_xXx|Mage|xXx

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Posted 16 September 2007 - 04:55 PM

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#1280 WinterNut

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Posted 16 September 2007 - 05:00 PM

Potassium permangenate is a substance represented by the formula KM7O4. Its also known as the " permangenate of pottash."

Edited by WinterNut, 16 September 2007 - 05:06 PM.

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#1281 Guest_TyphoonMaster

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Posted 16 September 2007 - 05:14 PM

THe formula is KMnO4.
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#1282 Guest_xXx|Mage|xXx

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Posted 16 September 2007 - 06:36 PM

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#1283 Guest_pickledonna

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Posted 17 September 2007 - 10:28 AM

They are compounds with carbon inside, I think.
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#1284 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 11:09 AM

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#1285 Guest_pickledonna

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Posted 17 September 2007 - 11:23 AM

I think it is the the study of chemical effects.
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#1286 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 11:36 AM

Nah....Its more than that...Q still open
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#1287 Guest_pickledonna

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Posted 17 September 2007 - 11:41 AM

Argh, I know it is a study of something....Its the study of biochemical phenomena.
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#1288 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 11:45 AM

Still wrong....U may try again
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#1289 Guest_pickledonna

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Posted 17 September 2007 - 11:47 AM

It is the study of chemical AND biochemical phenomena. I hope I finally get it correct....
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#1290 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 11:49 AM

Nope:Hint.Its related with the environment
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#1291 Guest_pickledonna

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Posted 17 September 2007 - 11:52 AM

Ah, I hope I got it this time. It is the study of chemical effects in the water, air and soil enivroments.
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#1292 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 11:58 AM

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#1293 Guest_pickledonna

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Posted 17 September 2007 - 12:01 PM

Yes! I finally got it correct!I think that physical chemistry is a branch of chemistry dealing with the relations between the physical properties of substances and their chemical composition and transformations.

Edited by pickledonna, 17 September 2007 - 12:01 PM.

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#1294 Guest_xXx|Mage|xXx

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Posted 17 September 2007 - 12:07 PM

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#1295 Guest_pickledonna

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Posted 17 September 2007 - 12:10 PM

It is in the state of hydrostatic equilibrium.
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Posted 17 September 2007 - 12:17 PM

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Posted 17 September 2007 - 12:34 PM

Molybdenite is a mineral of molybdenum disulfide, MoS2. Similar in appearance and feel to graphite.
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Posted 17 September 2007 - 02:26 PM

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Posted 18 September 2007 - 09:35 AM

The Brinell scale characterizes the indentation hardness of materials through the scale of penetration of an indenter, loaded on a material testpiece. It is one of several definitions of hardness in materials science.
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Posted 18 September 2007 - 11:07 AM

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