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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

1 Replies
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Last post December 28, 2012, 03:44:01 AM
by Hunter2
Why is Copper Nitrate blue?

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

2 Replies
31261 Views
Last post March 01, 2010, 05:13:28 PM
by KyleH
Why is Cu coloured if its d orbital is full?

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

1 Replies
1572 Views
Last post September 19, 2012, 03:46:55 AM
by Borek
Why is difluoromethane polar?

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

1 Replies
8615 Views
Last post September 01, 2005, 07:26:41 PM
by Mitch
Why is electron gain enthalpy for group 1 elements negative?

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

4 Replies
1976 Views
Last post October 18, 2019, 04:48:59 PM
by helpplsbro
Why is graphite diamagnetic?

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

3 Replies
3646 Views
Last post September 01, 2010, 01:16:19 PM
by tamim83
Why is H2O liquid at room temperature, instead of solid?

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

7 Replies
10150 Views
Last post July 22, 2013, 11:44:03 AM
by Corribus
Why is H3O more acidic than NH4?

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

3 Replies
4123 Views
Last post August 08, 2015, 05:17:40 PM
by Babcock_Hall
Why is HCl is a product of this reaction?

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

7 Replies
6158 Views
Last post November 09, 2011, 11:51:51 PM
by gratianmasu
Why is HgCl_2 more covalent than CaCl2?

Started by sd79812 | Last post by JamesMN June 21, 2024, 05:19:08 PM

1 Replies
2977 Views
Last post June 21, 2024, 05:19:08 PM
by JamesMN
Why is hydrogen less dense then helium?

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

2 Replies
9155 Views
Last post May 02, 2005, 10:23:06 PM
by Donaldson Tan
why is hydrogen so flammable???

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

5 Replies
20543 Views
Last post March 13, 2011, 12:00:59 PM
by billnotgatez
Why is hydrogen's boiling point 20 K?

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

5 Replies
1974 Views
Last post October 21, 2019, 01:52:45 PM
by Enthalpy
Why is ionization energy higher when the spin of the p-shells is high?

Started by sd79812 | Last post by sd79812 May 21, 2024, 09:48:44 PM

0 Replies
1512 Views
Last post May 21, 2024, 09:48:44 PM
by sd79812
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

1 Replies
3123 Views
Last post April 17, 2009, 12:41:52 AM
by UG
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