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is mercury typical element?
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Ansaf_Mohammed
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4
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1065
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April 11, 2012, 03:45:27 AM
by overdose1150
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Experimental data on the extraction of radium/polonium?
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Parachuting_Panda
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0
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2468
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August 14, 2011, 11:51:40 PM
by Parachuting_Panda
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Physics help please? Test in a day?
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Lala
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1
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1212
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August 10, 2011, 02:15:41 AM
by JullyWum
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Why doesnt my cloud chamber work?
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shish2kabob
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0
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257
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August 10, 2011, 01:50:02 AM
by shish2kabob
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Math homework help??
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Marigold
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1
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514
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August 10, 2011, 12:31:52 AM
by spy_glass343
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If 10 μg (micrograms) of Tritium are present in a liter of groundwater, how many half lives have to go by befo?
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Steph
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1
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774
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August 10, 2011, 12:03:41 AM
by poornakumar_b
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what do atoms of beryllium,magnesium,calcium,strontium,barium, and radium have in common in terms of electron?
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Joseph
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2
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215
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August 06, 2011, 02:14:45 AM
by ifeanyi
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If 10 μg (micrograms) of Tritium are present in a liter of groundwater, how many half lives have to go by b?
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hermiaspenguin
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1
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154
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August 06, 2011, 01:54:23 AM
by jjasso5
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Rate of energy released in Tritium HELP!?
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LG
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1
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421
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August 02, 2011, 10:45:22 PM
by Steve4Physics
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Half-Life Calculation?
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Jean_Posey
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1
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970
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July 30, 2011, 12:05:14 AM
by ChemTeam
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The half-life of radium-226 is 1620 years...?
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ANP
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1
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160
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July 29, 2011, 09:49:55 PM
by M3
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radium-224 has a half life of 3.6 days?
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Jonathan123456
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2
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987
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July 25, 2011, 08:39:28 PM
by Mr_Cheese
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Physics multiple choice questions, need answers?
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God_is_Good
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2
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885
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July 24, 2011, 02:38:02 AM
by Don_Cattaree
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Can you help me with Ionic/Covalent Nomenclature?
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lizerbeth28
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1
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805
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July 21, 2011, 04:24:59 AM
by Ana_Calloway
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Can You Show Me How 2 Set Up Half-Life Formula?
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Chloe_Park
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3
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522
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July 21, 2011, 03:48:33 AM
by Old_Teacher
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Type 1 Binary Compounds Help!! Please!!!!?
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Priya_Mala
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1
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391
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July 21, 2011, 01:15:45 AM
by jcherry_99
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Write the symbols for deuterium and for tritium. For each, identify the mass number and the atomic number.?
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winne
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2
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394
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July 19, 2011, 07:33:33 PM
by Hi_Every_One
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Where does the 1/2 come from?
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ILoveMaths07
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7
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647
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July 18, 2011, 07:28:42 AM
by Kamikaze
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Calculus Question!!! Radioactive Decay?
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nimy
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3
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1126
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July 15, 2011, 10:50:13 AM
by BAN
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Find K for Radium 226 which decays at a half-life of 1622 years (round to six decimals places)?
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Foot_Feetish
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1
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159
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July 15, 2011, 08:57:31 AM
by M3
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Topic you have posted in
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