11th Chemistry | Chapter 2 Book Back Part 3 | TN State Board | Prakash Sir

[00:00:07]Hey, good evening Basla. Good evening.

[00:00:10]Good evening.

[00:00:13]Am I audible?

[00:00:30]I'm audible. Good evening.

[00:00:38]Good evening. Good evening. Yes, he literally I just totally missed this class.

[00:00:50]Yes. Yes. Join later.

[00:01:14]Okay.

[00:01:19]Unexpected.

[00:01:37]Sorry for that.

[00:01:39]I'm so sorry.

[00:01:45]Very big. Sorry my dear.

[00:02:17]page.

[00:02:20]Sorry. Sorry. Okay.

[00:02:41]But I just want to tell you the very important thing allin one library all in one library all in one.

[00:02:53]So all in all in one link just buy that free course right first special series that is very important. Okay.

[00:03:14]Right.

[00:03:30]CR3 configuration chromium electronic configuration atomic number. Any idea what is the atomic number of CR?

[00:03:44]Chromium atomic number chromium atomic number is that equal to 24 atomic number 24.

[00:03:54]Okay. Chromium atomic number 24.

[00:04:04]Chromium is equal to 24.

[00:04:10]1 S2 2 S2 2 P 6 3 S2 3 P6 4 S2 But this is wrong.

[00:04:40]Why it is wrong? Why it is wrong?

[00:05:08]HP.

[00:05:09]Okay.

[00:05:14]that equal to 24. 1 S2 2 S2 2 P 6 3 S2 3 P6 3 P6 4 S2 port wrong stability stability Another stability stability.

[00:06:11]Just see the previous parts.

[00:06:36]2 minutes chest ability half filled and completely filled.

[00:06:49]Half filter completely filled.

[00:07:05]Half filled.

[00:07:08]Half filled.

[00:07:21]You know fully filled more stable.

[00:07:42]highly stable. They are going to be highly stable.

[00:07:49]They are going to be highly stable.

[00:07:56]For example, Fully filled. Fully fily.

[00:08:17]Fully filable.

[00:08:22]more stable comparing to for example.

[00:08:47]No.

[00:08:52]Partially filled.

[00:08:58]Partially filled. Partially partially not full. Not full. Not half.

[00:09:19]partially less stable. They will be less stable.

[00:09:27]They are going to be less stable compound. They are going to be less stable compound half completely fillet 1 2 3 4 5 1 2 3 4 5. So 1 2 3 4 5 stable.

[00:10:09]So they are going to be highly stable.

[00:10:17]Highly stable.

[00:10:33]1 S2 2 S2 2 P2 P2 in the box.

[00:12:48]1 S2 2 S2 2 P6 3 S2 3 P6 3 P6 Hs 4s in the chromium partially half electron 1 s2 2 s2 2 p6 3 s2 3 p6 3d5 4s1 either chromium in actual structure Actual structure electronic configuration electronic configuration right governing. So 1 S2 2 S2 2 P6 3 S2 3 P 6 3 D4 4 S2 copper number is equal to 1 S2 2 S2 2 P6 6 3 S2 3 P6 3 P6 4 S 2 stateable 3D 3D 10 4S1 electronic configuration. These are exceptional.

[00:16:04]These are different.

[00:16:16]1 S2 2 S2 2 P6 3 S2 3 P6 3d10 4S1 configuration CR3 plus electron configuration CR3 CR 3+ C actual value CR actual value CR actual value 1 s2 2 s2 2 P6 3 S2 3 P6 3 P6 4 S2 3d 4ig 4s 3 five elect 1 2 2 S2 2 P6 3 S2 3 P6 3D 3d3 CR3 plus electronic configuration CR3 plus electron configuration normal configuration What is your problem?

[00:18:44]According to stability, Okay.

[00:19:11]Okay. Right. Super. Right.

[00:19:27]for heat.

[00:20:28]configuration half in the ground state of an atom. In the ground state of an atom, orbitals are filled in the order of their increasing energies.

[00:20:48]Increasing energy energy increase lower energy level. First lower energy lower energy.

[00:21:05]Okay.

[00:21:15]Right. 1 S 1 S 2 S 3 S 4 S 5 S 6 S 7 S 2 P 2 P 3 P 3P concept 5 6 P 7 3 D 4 D 5 D 6 D 4 F 5 S 1 S 2 S 2 S 2 P 2 3 S 3 S 3 P 3 P 4 S 4 S 3D 6s 7 6 1 S 1 2 S 2 S 2 P 3 S 3 S 3P 3P 4S 4S 3D 3D 4 P 5S 5S 4 D 5P 6S 4 F 5D 6P 7S 5 F zigzag zigzag zigzag Okay.

[00:23:34]See, S value orital Z value. S value.

[00:23:53]L value S 0 P 1 D 2 F 3 H right these are the above principle up Lower energy 2s 2 P 2 S 2 P 3S 3 P 4S 4S 3D 4S 3D configuration PDF value.

[00:25:15]An atom of an element contain 35 electron 45 neutron number of protons. An atom of element contain 35 electron configuration 12ig 1 s2 2 S2 2 P6 3 S2 3 P6 4S 2 port 4 P right electron configuration all the four quantum numbers of the last electron Last electron four quantum numbers four electron.

[00:26:43]This is the fifth electron.

[00:26:51]Quantum numbers.

[00:26:55]Fourth orital 4 p x 4 p y 4 p e 4 = 4 pal 1 - 1 by That's it. That's it.

[00:27:35]Electronic configuration. Electronic configuration.

[00:27:41]Again, electronic configuration.

[00:27:51]Chapter six.

[00:28:05]I will be teaching you the electronic configuration.

[00:28:12][snorts] Shivani All in one library.

[00:28:28]All in one. All in one.

[00:28:34]All in one library.

[00:28:44]Full lesson. Morning class FM 45 minutes.

[00:28:49]45 minutes.

[00:28:50]5 a.m.

[00:28:54]5:45 5:45 6:30 5:30 a.m.

[00:29:04]6:30 a.m.

[00:29:08]Evening handwritten PDF notes.

[00:29:16]Okay, definitely I will send it right nextally for 1 2 6 and 11.

[00:29:49]definitely we will give that. Okay. So if you can't then who can't 200%.