Isabella C. GCSE Chemistry tutor, IB Chemistry tutor, A Level Chemist...
£24 - £26 /hr

Isabella C.

Degree: BSc Biochemistry (Bachelors) - Bristol University

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About me

At school, I always asked ‘How?’ – I constantly wanted to know exactly how the knowledge I learnt translated into everyday life and why systems functioned the way they did. That was the reason I chose to study Biochemistry at the University of Bristol, to find out exactly how and how the information I loved learning in my favourite subject, Chemistry, related to biological systems and life overall. However, my subject choice hasn’t stopped my passion for other subjects. I chose to complete the IB Diploma due to my love for English, Mathematics, Spanish, Politics and History – I even completed my Extended Essay on History instead of Chemistry. Even now, in my spare time I still enjoy reading books and finding out other information on these subjects. I was Vice President of Bristol Debating Union and have now taken on the role of organising inter-varsity debating competitions taking place at the University, a role that relies on my keen organisation and time-management skills. My experience with debating has given me the ability to comfortably express ideas and find the clearest way to get across my point, skills that translate easily into my tutoring. I have experience tutoring Chemistry, Mathematics, English and Spanish for 11-plus, GCSE, A-Level and IB exams. In addition, from my time as a Peer Mentor at university I have training in effective questioning, active listening and goal-setting, as well as training in helping students struggling with their mental health.

About my sessions

When I first meet a tutee I aim to make clear exactly what they want to achieve from tutoring and the way in which they’ll learn that information best. I understand that not every tutee learns and understands information in the same way and it’s important to me that I understand the best way to run sessions based on how a tutee prefers to learn. I usually structure sessions in a few different ways. Often I review information that a tutee was unclear on and provide alternate explanations for the same concept with the aid of the online lesson space whiteboard to provide further explanation. I also help with questions tutees have sent me in advance and we work through the questions together in the session, going over the correct method or answer and reviewing any misconceptions that may have led to answering the question incorrectly. Often tutorials tend to be a mix of these two styles of tutoring, but I always adjust either of these general approaches specifically to what tutees prefer. My main aim overall for tutorials is to make sure the tutee understands the content at the end of the session. I do this by providing multiple opportunities to ask questions and discuss concepts throughout the session and by also ensuring the tutee can explain the information or complete problems based on the information by themselves by the end of the session. I also will happily run sessions on exam revision or once-off exam or test revision sessions, if a tutee prefers.

Subjects offered

Chemistry A Level £26 /hr
Chemistry GCSE £24 /hr
English GCSE £24 /hr
History GCSE £24 /hr
Maths GCSE £24 /hr
Politics GCSE £24 /hr
Spanish GCSE £24 /hr
Chemistry IB £26 /hr
English 13 Plus £24 /hr
History 13 Plus £24 /hr
Maths 13 Plus £24 /hr
Spanish 13 Plus £24 /hr
English 11 Plus £24 /hr
Maths 11 Plus £24 /hr


HL ChemistryInternational Baccalaureate (IB)7
HL MathematicsInternational Baccalaureate (IB)5
HL EnglishInternational Baccalaureate (IB)6
SL HistoryInternational Baccalaureate (IB)7
SL SpanishInternational Baccalaureate (IB)7
SL Global PoliticsInternational Baccalaureate (IB)7
Disclosure and Barring Service

CRB/DBS Standard


CRB/DBS Enhanced


General Availability

Weeks availability
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Before 12pm12pm - 5pmAfter 5pm

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Ratings and reviews

5from 66 customer reviews

Eleanor (Student) June 23 2017


Alexandra (Student) May 13 2017

Explanations are always super clear and Isabella honestly makes the exam questions so much more approachable. I consistently manage to learn so much from each tutorial, and moreover, they're always so enjoyable as she's the friendliest!

Eleanor (Student) May 12 2017

:) XD

Alexandra (Student) April 25 2017

Isabella was very well-prepared and our session was super efficient + helpful as usual!
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Questions Isabella has answered

How are Van der Waals interactions formed between molecules?

This questions relies on understanding of electronegativity, instantaneous dipoles and temporary induced dipoles. Van der Waal's forces (also called London Dispersion Forces) are weak intermolecular forces between molecules. Electronegativity is the measure of the tendency of an atom to attra...

This questions relies on understanding of electronegativity, instantaneous dipoles and temporary induced dipoles.

Van der Waal's forces (also called London Dispersion Forces) are weak intermolecular forces between molecules.

Electronegativity is the measure of the tendency of an atom to attract electrons, and covalent bonds are formed between two atoms that have similar electronegativity values. When these values are the same in two covalently bonded atoms, both atoms in the molecule exert the same 'pull' on the shared electrons and so the molecule is termed 'non-polar', meaning electrons are distributed equally between the bonded atoms.

However, since electrons are constantly in motion, at any one time there could be more electrons around only one of the bonded atoms, such that an instantaneous dipole is formed. Since electrons are negatively charged, this means one side of the molecule is now more negatively charged than the other as it has more electrons.

After this, since like charges repel like charges (a negative charge will repel another negative charge), this instantaneous dipole will repel the negative electrons in a neighbouring molecule, forming a 'temporary induced dipole' in the neighbouring molecule. This means the neighbouring molecule now has a more positive side around one of its atoms since most of its electrons were pushed to the other side of the molecule. The other side of the neighbouring molecule where all the electrons were repelled to is now more negative than it was before. 

Due to this, the induced positive and instantaneous negative side of the neighbouring and original molecules are now weakly attracted to each other due to positive-negative attraction.

This temporary induced dipole in the neighbouring molecule then repeats the inducing effect on molecules neighbouring it, such that this Van der Waals attraction force is present between many molecules in a substance.

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1 year ago

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