Structure Of A Molecule
Chapter Name : Atoms And Molecules |
Sub Topic Code : 102_09_03_03_02 |
Topic Name : Structure Of A Molecule |
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Sub Topic Name : Molecules Of Compounds |
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Introduction
Atoms of different elements join together in definite proportions to form molecules of compounds.
Pre-Requisites:
Atoms, Elements
Activity:
Make a table of some chemical compounds containing same elements. Now see the ratios. Which law applies here?
Real Life Question:
What are some compounds we use in our daily life ? What are their combining elements ?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Compound | a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Molecular models | Make different compounds by combining the molecules |
Real life uses :
Through this knowledge we develop processes to manufacture these compounds.
Practical examples around us
| Examples | Explainations |
|---|---|
| Water | Has hydrogen and oxygen in 1:8 ratio by mass |
| Carbon di oxide | Has carbon and oxygen in 3:8 ratio by mass |
What you learn in Theory:
Molecules of compounds, some examples
What you learn in Practice:
How different elements combine to form compounds