Group 17 Elements
Chapter Name : The P- Block Elements |
Sub Topic Code : 102_12_07_18_02 |
Topic Name : Group 17 Elements |
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Sub Topic Name : Electronic Configuration |
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Introduction
• All these elements have seven electrons in their outermost shell. • The electronic configuration of the outermost shell is (ns2np5) which is one electron short of the next noble gas.
Pre-Requisites:
Periodic table, elements, electronic configuration
Activity:
See weeds have iodine in them.
Real Life Question:
Where does chlorine gas come from?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| group | Group is the vertical column on the periodic table which contains elements having the similar properties. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Chlorine disinfectant | Chlorine is used as a disinfectant. |
Places to visit :
Beach.
Practical examples around us
| Examples | Explainations |
|---|---|
| Sea weed, chlorine disinfectant | Sea weed has iodine in it. |
What you learn in Theory:
• All these elements have seven electrons in their outermost shell The electronic configuration of the outermost shell is (ns2np5) which is one electron short of the next noble gas.
What you learn in Practice:
• All these elements have seven electrons in their outermost shell The electronic configuration of the outermost shell is (ns2np5) which is one electron short of the next noble gas.