Classical and modern periodic classification of elements. Science CBSE, Class 10: lessons, tests, tasks.

1.	Introduction to Periodic Classification of Elements
2.	Newlands’ Law of Octaves
3.	Mendeléev's Periodic Table
4.	Achievements and limitations of Mendeléev's Table
5.	Modern Periodic Table
6.	Classification based on Properties
7.	Classification based on Electron differentiation
8.	Modern Periodic Table: Elements Position
9.	Second Period Elements
10.	Elements in first, second, third and fourth periods
11.	Valency: Trends in the modern periodic table
12.	Atomic size: Trends in the modern periodic table
13.	Metallic and Non-metallic properties
14.	Electronegativity: Trends in the modern periodic table
15.	Periodic Trends in Properties
16.	Mind map

1.	Choose the best - I: Dobereiner’s triads Difficulty: easy	4
2.	Fill in blanks: Law of Octaves Difficulty: easy	4
3.	'True' or 'false' about periodic classification of elements Difficulty: easy	4
4.	Match the following - I: Features of the Groups Difficulty: easy	4
5.	Drag the correct option: very short answer - I Difficulty: easy	4
6.	NCERT- Previous year one mark questions - I Difficulty: easy	4
7.	NCERT- Exemplar questions - I Difficulty: easy	4
8.	NCERT- Previous year one mark questions - II Difficulty: easy	4
9.	Select possible answers I: Periodic Classification of Elements Difficulty: easy	3
10.	Select the correct option about Mendeleev table Difficulty: medium	4
11.	Assertion and reasoning: Periodic classification of elements. Difficulty: medium	4
12.	Match the following - II: Features of the Groups Difficulty: medium	4
13.	'True' or 'false' about periodic classification of elements Difficulty: medium	4
14.	Choose the best - II: Dobereiner’s triads Difficulty: medium	4
15.	Select the correct option about periodic classification of elements Difficulty: medium	4
16.	Fill the blanks: Modern Periodic Table Difficulty: medium	3
17.	Select possible answers II: Periodic Classification of Elements Difficulty: medium	3
18.	NCERT- Previous year one mark questions - III Difficulty: medium	6
19.	Match the following: Classification based on Properties Difficulty: medium	4
20.	Fill the blanks: Periodic classification of elements Difficulty: medium	3
21.	Match the following: Features of the Periods Difficulty: medium	4
22.	NCERT- Previous year one mark questions - IV Difficulty: hard	4
23.	Select the correct option about classification of elements Difficulty: hard	4
24.	Select the correct option about classification of elements Difficulty: hard	4
25.	NCERT- Book back one mark questions - I Difficulty: hard	4
26.	Choose the best - III: Dobereiner’s triads Difficulty: hard	4
27.	NCERT- Book back one mark questions - II Difficulty: hard	4
28.	NCERT- Intext questions - I Difficulty: hard	4
29.	Choose the best answer: NCERT- Exemplar questions - III Difficulty: hard	2.5
30.	Select possible answers III: Classification of Elements Difficulty: hard	3
31.	Match: Classification based on properties Difficulty: hard	6
32.	Choose: NCERT- Exemplar questions - II Difficulty: hard	5
33.	Match: Classifications of elements Difficulty: hard	6

1.	Training Test - I Difficulty: medium	12
2.	Training Test - II Difficulty: medium	12
3.	Training Test - III Difficulty: medium	12
4.	Training Test - IV Difficulty: medium	11

1.

Methodical recommendation

Classical and modern periodic classification of elements

Theory

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