Chemistry 2026 Theory [July] - By Dr.Geeth Hewavitharana

Most Critical Theories of Atomic Structure Unit - Hydrogen Emission Spectrum | Quantum Numbers etc.

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Overview

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H Emission Spectrum
Unit 1 MCQ All in One
H Emission Spectrum
Quantum Numbers
Quantum numbers Questions and Periodic Table
Effective Nuclear Charge | Atomic Radii
Unit 1 | Last Day
Pre - Recording | Slow Speed | Session 1 | Deep Explanation
Ionization Energy | Electron Affinity Pre Recording (Deep Explanation)
All in One MCQ pdf | Discussion

Description

2026 Batch Theory | Unit 1 | Final Month

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About the Instructor

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About the Instructor

Did you know that only 3000 students sit for the English medium Advanced Level examination per year and out of them, only 150-200 will achieve an A pass for chemistry? This statistic is a clear indicator that this exam is even more competitive than even the O/Levels! Students need to be trained in this regard so that they can meet the necessary standard to achieve excellence with higher results. 

 

Few points about the lecturer.....

 

*8 years of experience

*98 A and 63 B passes in the last three years

*100% pass percentage up to date

*Doctorate (Ph.D.) candidate at the University of Sri Jayewardenepura with interests in Higher Food Chemistry and developing mitigation techniques for Trans Fatty Acids which directly affect the blood cholesterol levels.

*His collaboration with Ace Academy has led to 4500+ total student enrollments last year due to his superior expertise and capabilties. Check out the Review section with student testimonies along with gaining access to some free recordings on: https://aceacademy.lk/GeethHewavitharana

*During last few years his free YouTube sessions for English medium students were unparalleled and you can view them on: https://www.youtube.com/channel/UCxjqTMOVqRoeMBSe8_MiHcA

*Using the New Syllabus Resource Book for past paper questions is another plus point as he also participated as a proofreader of said book under the guidance of the Professors of Chemistry Paper Panel.

*Be assured that your lecturer is a master of chemistry as a subject and is practically applying the theories of higher chemistry for his Research Investigations.

Visit; https://scholar.google.com/citations?user=eLvy7z8AAAAJ&hl=en

*Download your syllabus' 5 Resource Books (Altogether 14 units) and some papers from the below link (Official Paper cite of Ace Academy)

https://papers.aceacademy.lk/tag/chemistry/