Chirani Thammita
Hi, I am Chirani Lennon! Let’s navigate chemistry together. Let me know what is bothering you and I will let you in on the chemistry secrets!
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Chirani Thammita
Bachelors degree
Enroll after the free trial
Each lesson is 55 min
50 lessons
20% off
/ lesson
30 lessons
15% off
/ lesson
20 lessons
10% off
/ lesson
10 lessons
5% off
/ lesson
5 lessons
-
/ lesson
1 lessons
-
/ lesson
Chirani Your chemistry tutor
I am Chirani Thammita Lennon who is an experience chemistry tutor for nearly a decade. I an experienced in guiding high school and college students with any needs through the guidance to make chemistry an enjoyable subject. I specialize in subjects like biochemistry, organic chemistry, atomic structure, and more in depth knowledge on the lab skills. Grasping complex concepts in chemistry is nothing to do with your knowledge but the way you approach it. Make chemistry a story, game or a fantasy novel. You just need to know the easy tricks all chemists use to gain their success. That’s where I come to play. I excel in covering all bases that is needed for you to excel in homework, lab assignments, group work and assignments that get You points and bonus points. Grades will be nice but understanding the concepts of chemistry is more important. Make sure you are comfortable with this “hard” subject!
Chirani graduated from PennWest University Edinboro

Specialities of your chemistry tutor
Visual learning
A-Levels (UK)
Chemistry lab skills
Chemistry experiments
Review sessions
Types of learners for chemistry class
None of the above
High School students
College students
Chemistry class overview
My tutoring style structured, patient, interactive, and engaging, focusing on hands on learning experiences. I specialize in teaching chemistry in all sub groups such as states of , acid, bases and pH. It doesn’t matter if you want help in general chemistry or organic chemistry, i will help you succeed by making you understand the concept with the technique you prefer. Everyone studies and retain information different, spring feel afraid to reach out to tell me what you are compatible and comfortable with. My teaching techniques all include presentations, diagrams, note taking, color coding and many more. The most important method of teaching is communication. I like when You can contact me when you have any questions about any material we covered or any material you don’t understand but needs ur get help with. Therefore, let’s navigate chemistry together!
Your chemistry tutor also teaches
Chemistry
Organic Chemistry
Chemical Reactions
Atomic Structure
Chemical Bonding
Biochemistry
Flexible Scheduling
Allows 1h early scheduling
Allows 1h early rescheduling
Can wait for 20 mins after joining

10 day Refund
Free Tutor Swap

Chemistry concepts taught by Chirani
The tutor and student reviewed fundamental chemistry concepts such as elements, atoms, molecules, and compounds. They practiced identifying elements on the periodic table, understanding atomic structure, and differentiating between ionic and covalent bonds. The session concluded with an introduction to polyatomic ions and covalent compound nomenclature, with plans for continued practice and quizzes on these topics.
Polyatomic Ions and Their Formulas
Naming Covalent Compounds
Periodic Table: Groups
Periods
and Non-metals
Elements
Atoms
Molecules
The Student and Tutor reviewed nomenclature, physical properties, and formation of aldehydes and ketones. They also began exploring nucleophilic addition reactions, specifically hydration, and discussed the mechanism and reversibility of these reactions. Further discussion on other nucleophilic addition reactions and textbook examples is planned for the next session.
Aldehydes and Ketones: Nomenclature
Aldehydes and Ketones: Physical Properties
Formation of Aldehydes and Ketones from Alcohols
Nucleophilic Addition Reactions
Hydration of Aldehydes and Ketones
The student and tutor extensively reviewed concepts related to VSEPR theory, molecular geometry, and chemical bonding through practice problems. They discussed exam strategies and the student's approach to tackling challenging questions, with a plan to continue this review in the next session.
VSEPR Theory and Molecular Geometry
Hybridization and Atomic Orbitals
Empirical vs. Molecular Formulas
Formal Charge Calculation
The Student and Tutor reviewed prior material on ionic and covalent bonds and then covered binary ionic compounds, naming conventions, total charge, and multivalent elements. The Student practiced identifying and naming compounds, including those with multivalent elements. Homework was assigned to practice naming compounds, and a quiz was scheduled for the next class, covering material up to but not including polyatomic ions.
Naming Ionic Compounds
Monatomic and Polyatomic Ions
Prefixes
Multivalent Elements
Total Charge
Writing Formulas for Ionic Compounds
Binary Ionic Compounds
The tutor and student delved into VSEPR theory, intermolecular forces, and molecular geometry. They practiced identifying molecular shapes and understanding the principles behind different types of molecular attractions. The student was provided with a comprehensive chart and planned to review the material and work on practice problems for an upcoming exam.
Intermolecular vs. Intramolecular Forces
VSEPR Theory: Geometry and Shape
Molecular Polarity
Sigma (σ) and Pi (π) Bonds
The Tutor and Student reviewed key concepts in chemical bonding, including ionic and covalent bonds, Lewis structures, formal charge, and polarity. They practiced drawing molecular structures and calculating formal charges, with plans to further explore VSEPR theory and molecular geometry in the next session.
Types of Chemical Bonds
Ionic Bonding: Properties and Structure
Covalent Bonding: Polarity and Types
Lewis Structures and Formal Charge
Resonance and Stability
Tools & techniques used by chemistry tutor
Video conferencing
Digital Note taking
Flashcards
Interactive 3D models
Presentations
Interactive chemistry lessons
Open Q&A
Weekend lessons
Mobile joining
Record lessons
Note taking

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