Introduction to atoms and molecules . Science TNSB Mentoring, Class 10 Crash course: lessons, tests, tasks.

1.	Fundamentals of atoms and molecules Difficulty: easy	2
2.	Atoms and molecules Difficulty: easy	3
3.	Relative atomic mass Difficulty: easy	1
4.	Gram molecular mass Difficulty: easy	1
5.	Classification of molecules Difficulty: medium	3
6.	Atomicity Difficulty: medium	3
7.	Number of atoms in a substance Difficulty: medium	2
8.	Finding relative molecular mass Difficulty: medium	2
9.	Modern atomic theory Difficulty: hard	3
10.	Average atomic mass Difficulty: hard	3

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Introduction to atoms and molecules