Why is Carbon-12 used as the measurement of relative masses?

Started by Count Duckula | Last post by Hunter2 December 28, 2012, 03:44:01 AM

Why is Copper Nitrate blue?

Started by KyleH | Last post by KyleH March 01, 2010, 05:13:28 PM

Why is Cu coloured if its d orbital is full?

Started by NorthFrost | Last post by Borek September 19, 2012, 03:46:55 AM

Why is difluoromethane polar?

Started by hya_been | Last post by Mitch September 01, 2005, 07:26:41 PM

Why is electron gain enthalpy for group 1 elements negative?

Started by helpplsbro | Last post by helpplsbro October 18, 2019, 04:48:59 PM

Why is graphite diamagnetic?

Started by sid95 | Last post by tamim83 September 01, 2010, 01:16:19 PM

Why is H2O liquid at room temperature, instead of solid?

Started by DGonzo2015 | Last post by Corribus July 22, 2013, 11:44:03 AM

Why is H3O more acidic than NH4?

Started by harber95 | Last post by Babcock_Hall August 08, 2015, 05:17:40 PM

Why is HCl is a product of this reaction?

Started by jwxie | Last post by gratianmasu November 09, 2011, 11:51:51 PM

Why is hydrogen less dense then helium?

Started by LT4 | Last post by Donaldson Tan May 02, 2005, 10:23:06 PM

why is hydrogen so flammable???

Started by kevinnn | Last post by billnotgatez March 13, 2011, 12:00:59 PM

Why is hydrogen's boiling point 20 K?

Started by INeedSerotonin | Last post by Enthalpy October 21, 2019, 01:52:45 PM

Why is it advised to drink soft drinks when we get upset stomachs?

Started by a_huynh00 | Last post by UG April 17, 2009, 12:41:52 AM

why is it advised to stir a chemical while taking pH?

Started by michellejam | Last post by Babcock_Hall December 13, 2015, 07:04:24 PM

why is it alkaline

Started by HongKongALevelboy | Last post by movies September 28, 2004, 03:56:32 PM