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Tuesday, February 24, 2009
♥
I had my chemistry lesson at O hub today and we went through tutorials using the website Preparatory Chemistry. We did two subtopics from chapter 3 and one subtopic from chapter 4.

Binary Covalent Nomenclature[subtopic of chapter 3]


The three things I've learnt in this chapter:
- I learnt the steps to write the names for binary covalent compounds.


- I have learnt prefixes, Roots of the Nonmetals and the Exceptions .
For example,

`Prefixes:
1 - mon(o)
2 - di
3 - tri

`Roots of the Nonmetals:
S - sulf
Se - selen
F - fluor
Cl - chlor

`Exceptions:
HF can be named hydrogen fluoride or hydrogen monofluoride.


- I have also learnt how to convert names to formulas.



Yours Truly

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