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why +2 charge?

Started by Moss | Last post by Ranadeep November 07, 2009, 11:06:21 PM

4 Replies
2620 Views
Last post November 07, 2009, 11:06:21 PM
by Ranadeep
Why 1st IE of Na < 2nd IE of Na?

Started by funboy | Last post by Mitch August 31, 2006, 10:37:00 PM

11 Replies
9423 Views
Last post August 31, 2006, 10:37:00 PM
by Mitch
Why 6.022.. *10^23 for the mole?

Started by GreenAssailant | Last post by SirRoderick July 01, 2011, 02:49:32 PM

2 Replies
3400 Views
Last post July 01, 2011, 02:49:32 PM
by SirRoderick
Why a polyatomic ion Cn has a charge of negative 1?

Started by ReVeR | Last post by Borek December 29, 2005, 01:00:09 PM

5 Replies
8396 Views
Last post December 29, 2005, 01:00:09 PM
by Borek
Why acetone evaporates faster then H20

Started by Kensu | Last post by Kensu December 06, 2005, 09:59:46 PM

5 Replies
16084 Views
Last post December 06, 2005, 09:59:46 PM
by Kensu
why aldehyde are more reactive then ketones

Started by 18uos | Last post by nj_bartel July 02, 2009, 03:54:34 AM

1 Replies
3383 Views
Last post July 02, 2009, 03:54:34 AM
by nj_bartel
Why am I getting this problem wrong?

Started by kentucky_girl | Last post by kentucky_girl March 30, 2008, 07:17:20 PM

5 Replies
3546 Views
Last post March 30, 2008, 07:17:20 PM
by kentucky_girl
Why Am I Getting This Wrong?

Started by A5HLEY | Last post by LQ43 March 03, 2008, 09:04:08 PM

11 Replies
10106 Views
Last post March 03, 2008, 09:04:08 PM
by LQ43
2 Replies
1023 Views
Last post June 10, 2018, 01:20:39 PM
by OrganicDan96
Why are Atomic Masses for Most Elements Not Whole Numbers?

Started by tabby124 | Last post by happyanimesh August 23, 2008, 11:16:06 AM

6 Replies
50674 Views
Last post August 23, 2008, 11:16:06 AM
by happyanimesh
Why are bubbles forming?

Started by gaidzag | Last post by Enthalpy March 29, 2016, 12:22:21 PM

1 Replies
1290 Views
Last post March 29, 2016, 12:22:21 PM
by Enthalpy
Why are chemical reactions often hard to reverse?

Started by Neverquit « 1 2 » | Last post by Jorriss February 14, 2011, 03:26:50 PM

26 Replies
13533 Views
Last post February 14, 2011, 03:26:50 PM
by Jorriss
Why are concentration of Solid, liquid are constant in equilibrium ?

Started by kochibacha | Last post by Vidya May 12, 2011, 07:35:14 AM

4 Replies
5050 Views
Last post May 12, 2011, 07:35:14 AM
by Vidya
Why are Crystalline Structures named the way they are?

Started by cwolf | Last post by AWK April 03, 2007, 09:58:52 AM

4 Replies
2941 Views
Last post April 03, 2007, 09:58:52 AM
by AWK
why are diamonds brittle?

Started by Broadway_Alien | Last post by Broadway_Alien April 22, 2005, 02:07:22 AM

12 Replies
24252 Views
Last post April 22, 2005, 02:07:22 AM
by Broadway_Alien
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