Annoucement by Ms Tay https://padlet.com/bm1677/oinveew2v3vvmw36 Please refer here to get the idea what are going on for this week class. You may drop a message here if you have any query. Thank you. en-us 2021-06-21 01:33:10 UTC 2025-09-30 11:53:04 UTC hello@padlet.com Updated bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1665471389 at 11:30 pm 24 September 2022

]]> 2021-07-31 09:06:00 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1665471389 Lecture Week 2 (09 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981471875 1. Differentiate solute, solvent & solution
2. Definition concentration measurements
3. Balance half equation
4. Definition limiting reactant

Link video
https://youtu.be/9jQeVOfaVYg

]]> 2022-01-08 06:31:35 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981471875 Tutorial Week 2 (08 -12 Aug 2022) K1T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981473359 08 Aug 2022
1.  Recall what learnt last week
2. Differentiate solute, solvent & solution
3. Definition concentration measurements
4. Quiz related with Week 1 topic

11 Aug 2022
1. calculation concentration measurement without and with assumption
2. group discussion

Link video (Tutorial)
https://youtu.be/Q6X0J40jzB4]]> 2022-01-08 06:35:04 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981473359 Lab Week 2 (08-12 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981476662 Carry out Experiment 1
Procedure synthesize zinc chloride
https://www.youtube.com/watch?v=MufSNwg3CmA
How to use analytical balance?
https://www.youtube.com/watch?v=RdZTzCGm_HA
How to use hot plate with stirrer?
https://youtu.be/E1bFq5YLzGs

Comments based on video submitted:
1. No need to measure mass lid of crucible is ok. But then, make sure no lid is placed when measure mass of crucible and zinc chloride. 
2. Make sure record mass of empty crucible.
3. Make sure mix zinc powder with hydrochloric acid in fume chamber. 
4. Why need to place crucible on the white tile?
5. Why cannot place hot object on the analytical balance?

 ]]> 2022-01-08 06:44:41 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/1981476662 Tutorial Week 2 (08- 12 Aug 2022) H7T3 & F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2067535871 08 Aug 2022
1.  Recall what learnt last week
2. Differentiate solute, solvent & solution
3. Definition concentration measurements
4. calculation concentration measurements without assumption

11 Aug 2022
1. calculation concnetration measurements with assumption
2. group discussion
3. Quiz related with Week 1 topic

Link video (Tutorial)
https://youtu.be/Q6X0J40jzB4]]> 2022-02-26 14:15:22 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2067535871 Summary Week 1 (Tutorial) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2255294942 1. Isotope notation
2. Average atomic mass
(abundance can be given in percentage/ratio/fraction)
3. Determine the percentage abundance based on average atomic mass
4. Empirical formula & molecular formula (mass given in grams, percentage, combustion)

Link video (Tutorial)
https://youtu.be/_B9g5lj4BNA
https://youtu.be/bPtWOpb0w4U
https://youtu.be/T76trqT8BF8

Link video (Summary)
https://youtu.be/yobbCEPTpQ4
https://youtu.be/vDCl84RVLlI

]]> 2022-08-05 05:14:04 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2255294942 Summary Week 2 (Tutorial) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260455563 1. Definition concentration measurements
2. Problem solving in concentration measurements (without + with concentration)

Link video
https://youtu.be/Q6X0J40jzB4]]> 2022-08-14 00:19:39 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260455563 Lab Week 3 (15-19 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260458290 Pre-Lab Experiment 2
1. Handling volumetric flask
https://youtu.be/Z9BxP4p03yw 
2. Handling burette
https://youtu.be/M-glDSAGAwM
3. Handling pipette 
https://youtu.be/Z1rhrqd3sAs
4. Handling pipette filler
https://youtu.be/-kmHWIZ3nzs
5. How to carry out titration 
https://youtu.be/CN6baDZea7s


]]> 2022-08-14 00:38:52 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260458290 Tutorial Week 3 (15-19 Aug 2022) K1T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459049 15 Aug 2022
1. Discuss tutorial 1.1 & 1.2
2. Group quiz for concentration measurements
3. Balance half equation (step 1-5)
https://youtu.be/9jQeVOfaVYg

18 Aug 2022
1. Balance redox equation
- acidic medium (step 6-7)
- basic medium (step 8-10)
2. Determine limiting reactant
3. Determine amount of product formed
4. Determine amount of excess reactant left
5. Determine percentage yield]]> 2022-08-14 00:43:15 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459049 Lecture Week 3 (16 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459548 Chapter 2
1. Describe Bohr's atomic model (4 assumptions)
2. Formulae (5) used in the topic 2.1
3. Limitation Bohr's atomic model
4. Dual nature of electron

]]> 2022-08-14 00:46:45 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459548 Tutorial Week 3 (15-19 Aug 2022) H7T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459787 15 Aug 2022
1. Discuss tutorial 1.1 & 1.2
2. Group quiz concentration measurements
3. Balancing redox equation in both acidic and basic medium (step 6-10)
4. Determine limiting reactant
5. Determine amount of product formed

18 Aug 2022
1. Determine amount of excess reactant left
2. Determine percentage yield 

]]> 2022-08-14 00:48:14 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260459787 Tutorial Week 3 (15-19 Aug 2022) F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260461102 15 Aug 2022
1. Discuss tutorial 1.1 & 1.2
2. Group quiz concentration measurements
3. Balance half equation (step 1-5)
https://youtu.be/9jQeVOfaVYg
4.Balancing redox equation in both acidic and basic medium (step 6-10)
5. Determine limiting reactant

18 Aug 2022
1. Determine amount of product formed
2. Determine amount of excess reactant left
3. Determine percentage yield 

]]> 2022-08-14 00:56:03 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2260461102 Lab Week 4 (22-26 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266038127 Carry out Experiment 2
1. Make sure you know the amount and also chemicals that need to place in the apparatus. 
2. Experiment 2: https://youtu.be/CN6baDZea7s
3. Post lab Experiment 2: https://youtu.be/DQyH_r2HZgs]]> 2022-08-20 06:09:12 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266038127 Summary Week 3 (Tutorial) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266038892 1. Balancing redox equation in acidic & basic medium respectively
2. Determine the limiting reactant when both amount of reactants are given.


]]> 2022-08-20 06:12:59 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266038892 Tutorial Week 4 (22-26 Aug 2022) H7T3 & F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039181 22 Aug 2022
1. Determine amount of product formed
2. Determine amount of excess reactant left
3. Determine percentage yield

25 Aug 2022
1. Quiz 2 (Chapter 1)
2. Tutorial questions

]]> 2022-08-20 06:14:45 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039181 Tutorial Week 4 (22-26 Aug 2022) K1T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039715 22 Aug 2022
1. Tutorial questions
2. Determine amount of product formed

26 Aug 2022
1. Determine amount of excess reactant left
2. Determine percentage yield
3. Quiz (chapter 1)]]> 2022-08-20 06:17:55 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039715 Lecture Week 4 (23 Aug 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039995 Chapter 2
1. Different between orbit & orbital
2. Four quantum number of electron
3. Shape of orbital
4. Types of electronic configuration (spdf notation & orbital diagram)
5. Principles applied when writing electronic configuration]]> 2022-08-20 06:19:38 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2266039995 Lecture Week 6 (13 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2283763591 Chapter 3
1. Pre-read slide notes 1-32 except 19-26.
2.There is a quiz before lecture is started.
3. Determine position of element in Periodic Table based on electronic configuration and vice versa.

]]> 2022-09-06 02:15:47 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2283763591 Tutorial Week 6 (12-16 Sep 2022) K1T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2288135653 12 Sep2022
Pre read:
1. How many set of quantum number does an electron has?
2. Each set quantum number consist of how many quantum   
    number?
3. What are symbol for those quantum number?
In class:
1. Explain quantum number and discuss tutorial questions at the same time.

15 Sep 2022
1. Quantum number
2. Principle writing electron configuration 
]]> 2022-09-08 12:59:41 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2288135653 Tutorial Week 6 (12-16 Sep 2022) F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290886922 12 Sep 2022
1. Tutorial question (2.1)
2. Group discussion (True/False) related with quantum number
Pre Read
-What do you understand about electron configuration? 
-How many types of electron configuration that you learnt from the lecture?
-How many rules/principles that you need to follow when writing electron configuration?
3. Discuss the 3 principles in writing electron configuration.
4. Explain the extra stability for half-filled and full-filled orbital. Discuss tutorial question 2.3


15 Sep 2022
1. Group discussion (2.3)
2. Quiz 4 (Chapter 2)






]]> 2022-09-11 01:05:08 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290886922 Tutorial Week 6 (12-16 Sep 2022) H7T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290890471 12 Sep 2022
1. List down the 5 formulae in Chapter 2.1
2. Discuss tutorial questions
3.Group discussion 2.1
4. Group discussion 2.3

16 Sep 2022
1. Quiz 4 
2. Assignment Part B
3. Folder
]]> 2022-09-11 01:17:28 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290890471 Lab Week 6 (12-16 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290890590 Carry out Experiment 3
1. Make sure jotter for experiment is ready. Part A one diagram while Part B also one diagram. 
2. Pre-lab Experiment 3: https://youtu.be/hQhpguHackU
3. Post lab Experiment 3: https://youtu.be/pmMos3WKQq0]]> 2022-09-11 01:17:57 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2290890590 Lecture Week 7 (20 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301279285 Chapter 3
1. Trend periodicity of atomic radius, ionic radius, ionisation energy, electronegativity, acid-base character of oxide
2.Meaning of isoelectronic species


]]> 2022-09-18 00:57:33 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301279285 Tutorial Week 7 (19-23 Sep 2022) K1T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301282333 19 Sep2022
Pre read:
1. determine position of element based on electron configuration and vice versa

In class:
1. Quiz (google form)
2. Discuss tutorial question 1-3
3. Self-test topic 3.1

22 Sep 2022
1. Factor affecting atomic radius and explain. 
2. Explain variation of ionic radius, isoelectronic species, atom & its ion
3. Explain the trend of ionisation energy and determine its group.
]]> 2022-09-18 01:10:20 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301282333 Lab Week 7 (19-23 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301283861 F5P01
- Test from program Kecemerlangan Akademik (PKA) which still waiting further information from JK PKA
H2P02
Fri (9-11am) - carry out experiment 3
Fri (245pm) test from program PKA]]> 2022-09-18 01:16:09 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301283861 Tutorial Week 7 (19-23 Sep 2022) H7T3 bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301284874 19 Sep 2022
1. Tutorial 3.1
2. Group discussion
3. self-test for 3.1
_______________________
4. Factor affecting atomic radius and explain. 
5. Explain variation of ionic radius, isoelectronic species, atom & its ion
6. Explain the trend of ionisation energy and determine its group.

23 Sep 2022
1. Acid-base character of oxides & tutorial question 8
2. Discuss assignment part A
]]> 2022-09-18 01:19:45 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301284874 Tutorial Week 7 (19-23 Sep 2022) F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301285892 19 Sep2022
Pre read:
1. determine position of element based on electron configuration and vice versa

In class:
1. Quiz (google form)
2. Discuss tutorial question 1-3
3. Self-test topic 3.1
-----------------------------
4. Factor affecting atomic radius and explain.
5. Explain variation of ionic radius, isoelectronic species, atom & its ion

22 Sep 2022
1. Explain the trend of ionisation energy and determine its group.
2. Acid-base oxide character
3. Assignment Part A
]]> 2022-09-18 01:23:51 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2301285892 Lecture Week 8 (27 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311532606 Chapter 4: Draw Lewis structure & identify types of exceptional octet rule

Pre-read: https://youtu.be/G5f9NaJYAvI (watch the first 8 minutes & 16:57-21:17)

Remember the number of valence electron of the following element,
1. H - 1,
2. B - 3,
3. C - 4,
4. N - 5,
5. O, S -6,
6. F, I - 7 
 ]]> 2022-09-24 13:35:47 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311532606 Lab Week 8 (26-30 Sep 2022) bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311534239 F5P01(27 Sep 2022) & H2P02 (30 Sep 2022)
- Prepare standard solution via dilution method 
https://www.aplustopper.com/prepare-standard-solution 

- Form a group of 3-4 students and get ready to carry out following skills in the lab. Please get ready and each group will be asked to handle two of these:
1. Transferring a solution in the beaker into the volumetric flask.
2. Standard solution in a volumetric flask which reaches the calibrated mark.
3. Record reading of burette.
4. Discard air bubbles from the tip of the burette.
5. Pipette solution into a conical flask.
6. Control stopcock during gross titration.
7. Control the stopcock near the end point.
8. Pipette solution up to the calibrated mark.
9. Initial and final reading of burette.
10. Eye position when you’re doing gross reading.
11. Eye position when near the end point. 
12. Rinse the half drop of solution at the tip of the burette with distilled water.
13. Transfer last drop solution in the pipette to the conical flask.


]]> 2022-09-24 13:37:57 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311534239 Tutorial Week 7 (19-23 Sep 2022) F1T1B bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311541360 19 Sep2022
Pre read:
1. determine position of element based on electron configuration and vice versa

In class:
1. Quiz (google form)
2. Discuss tutorial question 1-3
3. Self-test topic 3.1
-----------------------------
4. Factor affecting atomic radius and explain.
5. Explain variation of ionic radius, isoelectronic species, atom & its ion

22 Sep 2022
1. Explain the trend of ionisation energy and determine its group.
2. Acid-base oxide character
3. Assignment Part A
]]> 2022-09-24 13:48:06 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311541360 Tutorial Week 8 (26-30 Sep 2022) 1st hour bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311541367 Learning objectives:
1. Analyse the variation in the ionic radii across period 2 and period 3 
2. Analyse the variations in the first ionisation energy across a period and down a group  
                            
slide 42-62
]]> 2022-09-24 13:48:07 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311541367 Tutorial Week 8 (26-30 Sep 2022) 2nd hour bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311602195 Learning objectives
1. Describe the anomalous cases of ionisation energy.
2. Deduce the electronic configuration of an element and its position in the periodic table based on successive ionisation energy data.                                      
3. Explain the increase in the successive ionisation energies of an element.

Slide 64-75
Tutorial 5-7
]]> 2022-09-24 15:07:59 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311602195 Tutorial Week 8 (26-30 Sep 2022) 3rd hour bm1677 https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311620690 19 Sep2022
Pre read:
1. determine position of element based on electron configuration and vice versa

In class:
1. Quiz (google form)
2. Discuss tutorial question 1-3
3. Self-test topic 3.1

22 Sep 2022
1. Factor affecting atomic radius and explain. 
2. Explain variation of ionic radius, isoelectronic species, atom & its ion
3. Explain the trend of ionisation energy and determine its group.
]]> 2022-09-24 15:33:47 UTC https://padlet.com/bm1677/oinveew2v3vvmw36/wish/2311620690