LEARNATHON

III

Competition for grade 6 to 10 students! Learn, solve tests and earn prizes!

Introduction to chemical formula and symbols of an element

1.	Introduction to symbols of an element
2.	How symbols for elements are assigned
3.	Rules for writing the symbol of an element and chemical formula
4.	Procedure to write a chemical formulae
5.	What does chemical formulae represents?
6.	Atomicity
7.	Elements present in human body and air
8.	Characteristics of Solid, Liquid and Gases
9.	Effect of heat on solid, liquid and gases

1.	'Changes around us': matching Difficulty: easy	2
2.	Effect of heat on states of matter: fill in the blanks Difficulty: easy	2
3.	Atoms and symbols Difficulty: easy	2
4.	Formulae of chemical compounds Difficulty: easy	2
5.	Valency of elements and compounds of a molecule: match the correct options Difficulty: medium	4
6.	Atomicity of molecules Difficulty: medium	4
7.	Answer the questions about rules for assigning the symbols of elements Difficulty: medium	4
8.	Elements, compounds and their symbols : match the correct options Difficulty: medium	5
9.	'True' or 'false' about characteristics of states of matter Difficulty: medium	4
10.	Symbols of metals and non-metals Difficulty: medium	3
11.	Find the jumbled words: Introduction to chemical formula Difficulty: medium	3
12.	Atomicity of molecules: analyse the situations Difficulty: hard	4
13.	Atomicity of elements and compounds: match the correct options Difficulty: hard	7
14.	Compounds and their number of constituent atoms Difficulty: hard	4
15.	Analyse the statements: rules for writing the symbols of an elements Difficulty: hard	6

1.	Training Test 1 Difficulty: medium	12
2.	Training Test 2 Difficulty: medium	9

1.

Methodical recommendation

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