The modern periodic law. Science State Board, Class 10: lessons, tests, tasks.

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1.	Introduction to periodic classification of elements
2.	Modern Periodic law and Table
3.	Features of the Groups and Periodic trends in properties
4.	Atomic Radius and Ionic Radii
5.	Ionisation Energy and Electron Affinity
6.	Electronegativity
7.	Mind map

1.	Choose the best: Features of groups Difficulty: easy	3
2.	Modern Periodic Table Difficulty: easy	3
3.	Match the followings: Features of Periods Difficulty: easy	4
4.	'True' or 'false' about Features of Groups Difficulty: easy	3
5.	Assertion and reasoning: Ionic radii Difficulty: easy	3
6.	Match the following answers: Period Features Difficulty: medium	4
7.	Choose the best: Modern periodic law Difficulty: medium	4
8.	Fill the blanks: Periodic properties Difficulty: medium	4
9.	'True' or 'false' about Atomic radius Difficulty: medium	4
10.	Select the right answers: Ionic Radius Difficulty: medium	4
11.	Match the correct answer: Ionisation energy Difficulty: medium	4
12.	Spot the correct statement Difficulty: medium	4
13.	Answer the followings: Electronegativity Difficulty: medium	4
14.	Choose the best: Features of periods Difficulty: hard	5
15.	Assertion and reasoning: Features of periods Difficulty: hard	5
16.	Calculate the atomic radius Difficulty: hard	5
17.	Match the following answers: Groups Features Difficulty: hard	5
18.	Choose the best: Features of groups Difficulty: hard	5
19.	Spot the correct statement Difficulty: hard	4
20.	Match the followings: Features of periods Difficulty: hard	4

1.	Training Test Difficulty: medium	10
2.	Training Test-II Difficulty: medium	11

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The modern periodic law