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Afzal Age: 32 5058 days old here Total Posts: 2745 Points : 9 Location: Mirpur khas, Pakistan Status : Offline	Subject : Isotopes (chemistry xii) ISOTOPES:- Atoms of the same elements having same atomic number but different mass numbers are called isotopes. ISOTOPES OF HYDROGEN:- Isotopes of hydrogen are given special names while isotopes of other elements are not given any special name. There are three isotopes of hydrogen,namely: i)Protium ii)Deuterium iii)Tritium. Like no likes.
	Posted on February, 20 2011 12:15:17 AM

qaiser94 Age: 37 5057 days old here Total Posts: 774 Points : 92 Location: Peshawar, Pakistan Status : Offline	??? Like no likes.
	Posted on March, 19 2011 04:30:03 AM

rana4amir Age: 38 5061 days old here Total Posts: 1252 Points : 124 Location: Lahore, Pakistan Status : Offline	bas krdo chemistry bohat parh li Like no likes.
	Posted on March, 19 2011 10:03:09 AM

qasimfayaz007 Age: 33 5030 days old here Total Posts: 79 Points : 26 Location: lahore, Pakistan Status : Offline	thanks Like no likes.
	Posted on March, 19 2011 07:53:25 PM

taimoorkhan Age: 31 4313 days old here Total Posts: 2257 Points : 39 Location: islambad, Pakistan Status : Offline	dear ma chemistry ni parta ho is liye mjhe is ke bare ma kuch itna khas ni pta ha Like no likes.
	Posted on April, 10 2013 11:05:02 PM

khuramms Age: 41 4743 days old here Total Posts: 5939 Points : 224 Location: Karachi, Pakistan Status : Offline	i dont' like organic chemistry Like no likes.
	Posted on April, 23 2013 04:39:26 PM

0irha0 Age: 31 4345 days old here Total Posts: 7616 Points : 16 Location: ....., Pakistan Status : Offline	physics nice subject h chemistry thora bor h Like no likes.
	Posted on April, 23 2013 09:07:13 PM

javedakhterao Age: 52 4205 days old here Total Posts: 290 Points : 166 Location: Attock, Pakistan Status : Offline	you mean different proton numbers or electron numbers Like no likes.
	Posted on June, 26 2013 11:58:58 AM

wool02 Age: 33 5037 days old here Total Posts: 3752 Points : 107 Location: Faisalabad, Pakistan Status : Offline	i can say only thanks about this post Like no likes.
	Posted on September, 22 2013 06:22:00 PM

atifmumtazkhan1992 Age: 32 4126 days old here Total Posts: 4370 Points : 51 Location: Lahore, Pakistan Status : Offline	hm.. yr kuch suna suna lag rha hai.... Like no likes.
	Posted on September, 23 2013 10:28:26 PM

atifmumtazkhan1992 Age: 32 4126 days old here Total Posts: 4370 Points : 51 Location: Lahore, Pakistan Status : Offline	have very bad memories with chemistry in school and college !@ Like no likes.
	Posted on September, 23 2013 10:30:44 PM

ashir2013 Age: 34 4186 days old here Total Posts: 27 Points : 14 Location: Attock, Pakistan Status : Offline	i hate chemistry yar 3 bar fsc main aply kiya phe bi pass ni hua Like no likes.
	Posted on September, 26 2013 01:58:58 PM

wool02 Age: 33 5037 days old here Total Posts: 3752 Points : 107 Location: Faisalabad, Pakistan Status : Offline	thanks for this publishing this post bhai Like no likes.
	Posted on September, 26 2013 06:56:13 PM

abdulhannan05 Age: 31 5037 days old here Total Posts: 13123 Points : 261 Location: Faisalabad, Pakistan Status : Offline	aap ki post tou bari hi informatic hai bhai gee Like no likes.
	Posted on September, 28 2013 08:27:38 PM

wool02 Age: 33 5037 days old here Total Posts: 3752 Points : 107 Location: Faisalabad, Pakistan Status : Offline	this is a very nice post i have visited bhai jee Like no likes.
	Posted on September, 30 2013 06:35:23 PM

usman95 Age: 34 4078 days old here Total Posts: 2472 Points : 57 Location: Lahore, Pakistan Status : Offline	Kis ne incomplete post ki hai ye pura hai mein ne khud likha hai aur by the way mein net mobile say use kar raha hoon computer say nahi jo copy paste karoon ga. Like no likes.
	Posted on November, 02 2013 05:03:04 PM

atifmumtazkhan1992 Age: 32 4126 days old here Total Posts: 4370 Points : 51 Location: Lahore, Pakistan Status : Offline	Chemistry mjhe bilkul pasand nae yar !! Like no likes.
	Posted on November, 02 2013 10:33:59 PM

atifmumtazkhan1992 Age: 32 4126 days old here Total Posts: 4370 Points : 51 Location: Lahore, Pakistan Status : Offline	wese kafi basic information hai yeh !! Like no likes.
	Posted on November, 02 2013 10:36:13 PM

atifmumtazkhan1992 Age: 32 4126 days old here Total Posts: 4370 Points : 51 Location: Lahore, Pakistan Status : Offline	yeh mjhe pahle b pta tha !! Definitions ka !! Like no likes.
	Posted on November, 02 2013 10:42:13 PM

wajahat786 Age: 31 4272 days old here Total Posts: 2662 Points : 325 Location: attock, Pakistan Status : Offline	nice Like no likes.
	Posted on November, 03 2013 07:24:54 PM

usman95 Age: 34 4078 days old here Total Posts: 2472 Points : 57 Location: Lahore, Pakistan Status : Offline	@ abubakar....matric ka zamana yaad ata hai na Like no likes.
	Posted on November, 04 2013 09:36:37 PM

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