General Properties Of The Transition Elements
Chapter Name : The D- And F- Block Elements |
Sub Topic Code : 102_12_08_03_08 |
Topic Name : General Properties Of The Transition Elements |
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Sub Topic Name : Magnetic Properties |
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Introduction
•
When a magnetic field is applied to substances, mainly
two types of magnetic behaviour are observed:
•
Diamagnetism
•
Paramagnetism
•
Diamagnetic substances are repelled by the applied
field while the paramagnetic substances are attracted.
Substances which are
attracted very strongly are said to be ferromagnetic. Ferromagnetism is an
extreme form of paramagnetism. Many of the transition metal ions are
paramagnetic.
Pre-Requisites:
Periodic table, elements
Activity:
Various precious metals such as silver, gold and
platinum and industrially important
Real Life Question:
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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 |
|---|---|
| Magnet, refrigerator, iron cupboard | Observe how a magnet sticks onto an Iron cupboard |
Real life uses :
To make jewellery, utensils
Places to visit :
Bank, jewellery shop
Practical examples around us
| Examples | Explainations |
|---|---|
| Gold coins | • Various precious metals such as silver, gold and platinum and industrially important |
What you learn in Theory:
•
When a magnetic field is applied to substances, mainly
two types of magnetic behaviour are observed:
•
Diamagnetism
•
Paramagnetism
•
Diamagnetic substances are repelled by the applied
field while the paramagnetic substances are attracted.
Substances which are
attracted very strongly are said to be ferromagnetic. Ferromagnetism is an
extreme form of paramagnetism. Many of the transition metal ions are
paramagnetic.
What you learn in Practice:
•
When a magnetic field is applied to substances, mainly
two types of magnetic behaviour are observed:
•
Diamagnetism
•
Paramagnetism
•
Diamagnetic substances are repelled by the applied
field while the paramagnetic substances are attracted.
Substances which are
attracted very strongly are said to be ferromagnetic. Ferromagnetism is an
extreme form of paramagnetism. Many of the transition metal ions are
paramagnetic.