The structure and types of atom. Science State Board, Class 7: lessons, tests, tasks.

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1.	Atomic structure
2.	Evolution of atomic theory
3.	Rutherford's theory
4.	Sub atomic particles
5.	Atomic number and mass number
6.	Valency
7.	Types of elements based on the valency

1.	Important terms related to the atom Difficulty: easy	2
2.	Evolution of atomic structure Difficulty: easy	2
3.	Basics of subatomic particles Difficulty: medium	3
4.	Rutherford's model of atom Difficulty: medium	3
5.	Subatomic particles- In general Difficulty: medium	3
6.	Atomic number Difficulty: medium	3
7.	Valency based exercise Difficulty: medium	4
8.	Numerical based on mass number Difficulty: medium	3
9.	Properties of subatomic particles Difficulty: medium	4.5
10.	Atomic and mass number Difficulty: medium	3
11.	Valency and its types Difficulty: hard	6

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Training test

Difficulty: easy

7

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Methodical recommendation

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