Q4 of 27 Page 64

Find the uses of transition elements familiar to you. Prepare a note and present it.

Uses of transition elements:

i. They are used in the formation of alloys (a mixture of metal-metal or metal-non-metal)


ii. They are used as catalysts (increases the rate of reaction)


iii. They are used in the automobiles industries.


iv. They are also used in paints.


v. They are used in fertilizers.


vi. They are used in the construction of building materials.


vii. They are used in cosmetics.


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1

Prepare a paper to be presented at a seminar based on the topic ‘Earlier attempts of classification of elements’

 2

Prepare the biographical notes of scientists related to the classification of elements.

 3

Draw a model of the modern periodic table and exhibit in classroom.

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Collect more information about rare earth elements. Prepare a note and present it in your class.