Thursday, 16 February 2012

All the best for your Chemistry level test!

Dear all,

Finally it's your last paper tomorrow. All the best for the paper and please pass with FLYING colours!

Just a short announcement:

1. The element, compound, mixture class test answer has already been uploaded to the Google sites. Check for the answer.

2. The information about your performance task has also been uploaded onto the Google sites. Read through and get an idea of what is required of you.

Last but not least, happy studying for Chemistry!

Monday, 13 February 2012

Answers for Workbook

Hi all,

I have uploaded the answers for Worksheet 1 and 2 onto the student Google site. Please check your answer.

Tuesday, 17 January 2012

Question for today's homework

Hi 305!

As mentioned in class, please write the question on the back page of the worksheet given out during class.


Study the following list of four gases:

Ethene (Formula: C2H4)
Hydrogen sulphide (Formula: H2S)
Neon (Formula: Ne)
Nitrogen (Formula: N2)

Which of the gases listed above will diffuse across a laboratory:
a) the fastest?
b) the slowest?
c) at the same rate?

Please note that the numbers given in the chemical formula should be all sub-script.

Monday, 16 January 2012

Purchasing of Chemistry Ten-Year Series

Hi all,

Please purchase the Chemistry O Level Topical Examinations Ten Year Series (TYS), Educational Publishing House Pte Ltd, from the school bookshop.

It should be available by the end of this week or next week. Please check with the bookshop on its availability.

Once you have purchased your TYS, do update Jie Min.

All students should have the TYS by the end of next week.

Thank you!

Wednesday, 11 January 2012

Homework for Wednesday - 11th Jan 2012

Hi all!

Please complete the worksheet on States of Matter and Kinetic Particle Theory by Friday (13 Jan).

A reminder to all: Remember to bring your Orange Plastic SPA file on Friday for your practical.

Tuesday, 10 January 2012

Homework for Tuesday - 10th Jan 2012

Hi ladies and gentlemen,

A reminder for your homework today.

Complete the worksheet on the heating/cooling curve. Summarize what we had discussed during lesson. You may use the space provided in the worksheet. If the space provided is not enough, attached your answer using a piece of foolscap paper.

Please submit this piece of work by 11 Jan (Wed).


Friday, 6 January 2012

Homework for Week 1

Dear all,

As mentioned in class, please complete the following:

1. On a piece of foolscap paper, show the co-relation between the observations (Macro) and reasons (Micro).

2. i) Go to
ii) Click on your class link found at the left hand side of the webpage.
iii) Complete the part of the worksheet that has your index number/name.

Do help to remind and inform your classmates about the weekend homework.

Have a good weekend!

Thursday, 5 January 2012

Kinetic Particle Theory Pre-Test

Hi all,

As mentioned today during lesson, please log in to and complete the Sec 3 Pre-Test on Kinetic Particle Theory.

You should not take more than 30 minutes to complete the pre-test.


Wednesday, 4 January 2012

Administrative Matters

Dear all,

Please get ready the necessary materials (listed below) by end of this week.

1. Chemistry Matters Textbook
2. Chemistry Matters Workbook
3. Chemistry Matters Practical Workbook
4. Orange Ring File (Theory file)
5. Orange Plastic File (SPA Practical file)

For students who are not able to purchase the books due to the shortage in the school bookstore, please check with the bookstore for the earliest possible date to purchase the books.

Thank you.