Making In Order
Chapter Name : Periodic Classification Of Elements |
Sub Topic Code : 102_10_05_02_01 |
Topic Name : Making In Order |
|
Sub Topic Name : Mendeleev's Periodic Table |
|
Introduction
Mendeleev studied relationship between atomic masses, physical and chemical properties.
Pre-Requisites:
Atomic mass
Activity:
Observe how these periods and groups show similarity or gradation in properties.
Real Life Question:
Mendeleev focused on compounds formed by elements with oxygen and hydrogen. Why these two why not other elements?
Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Periods | Horizontal rows in Mendeleev’s table. |
| Groups | Vertical columns in Mendeleev’s table. |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Periodic Table | Periods and groups can be seen in the periodic table. |
Real life uses :
The periodic table is very important in study of Chemistry.
Places to visit :
Chemistry Lab
Practical examples around us
| Examples | Explainations |
|---|---|
| Periodic Table | Mendeleev was the main contributor. |
What you learn in Theory:
Law of periods, Mendeleev’s attempts.
What you learn in Practice:
How Mendeleev made groups and periods.