Dalton’s atomic theory and the language of chemistry. Chemistry CBSE Live product, Class 9: lessons, tests, tasks.

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1.	Postulates of Dalton's atomic theory Difficulty: easy	2
2.	Dalton's atomic theory Difficulty: medium	2
3.	Atom, molecule and element Difficulty: easy	1
4.	TBQ - Size of an atom Difficulty: medium	2
5.	Symbols of elements Difficulty: easy	2
6.	Exemplar - Chemical element symbol representations Difficulty: medium	3
7.	Symbols of elements and compounds Difficulty: medium	3
8.	Matching atoms and symbols Difficulty: medium	5
9.	Writing the symbols of an elements Difficulty: hard	2
10.	Evolution of chemical symbols Difficulty: medium	1

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Dalton’s atomic theory and the language of chemistry