Punjab Chemistry Online 9th Class Test Lesson 4 Structure of Molecules

Malik TahirLast Updated: September 29, 2025

A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. The definition of the molecule has evolved as knowledge of the structure of molecules has increased. Earlier definitions were less precise, defining molecules. The three dimensional shape or configuration of a molecule is an important characteristic.

Structure of Molecules Lesson 4 Chemistry Online Test 9th Below

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Malik TahirLast Updated: September 29, 2025

4 Comments

Zahid khan says:

March 26, 2017 at 11:21 am

This site is just totally time waste, only mcqs!!! Who the hell is just taking the test of only mcqs, this site has forgotten the other two parts of paper which are the most important or may be they could not include the question/answer part online. But they should include if they really want someone to be succesfull in his/her exams.

Khizer Ali Shah says:

August 30, 2016 at 11:32 am

aap ki facebook id hai. mai bhi 9th class main parta hu.

hijab says:

March 21, 2016 at 7:40 pm

seriously there should also be a subjective test.and i shall say about this website that students should use it.and tomorrow is my paper so i request the reader to pray for me

Punjab Chemistry Online 9th Class Test Lesson 4 Structure of Molecules

Structure of Molecules Lesson 4 Chemistry Online Test 9th Below

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Malik Tahir

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