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⏱ Usually responds within 12 hours

🏆 Over 10 years of experience teaching online classes

John

He's from Venezuela , currently lives in Ecuador

10 10 1

1 review

About me Availability Reviews (1) More info

About me

Professor with + 14 years of academic experience. I am a Geochemist with a PhD

I am a geochemist with a PhD from the Polytechnic University of Madrid. I have more than 14 years of teaching experience in universities with students of Geology, Mining and Geochemistry and I handle various teaching tools. I have knowledge in general chemistry, crystal chemistry, inorganic chemistry, analytical chemistry, geochemistry. In classes I have pedagogical tools for a better understanding of the concepts and practical cases. I have experience in geochemistry applied to mineral deposit ...

I am a geochemist with a PhD from the Polytechnic University of Madrid. I have more than 14 years of teaching experience in universities with students of Geology, Mining and Geochemistry and I handle various teaching tools. I have knowledge in general chemistry, crystal chemistry, inorganic chemistry, analytical chemistry, geochemistry. In classes I have pedagogical tools for a better understanding of the concepts and practical cases. I have experience in geochemistry applied to mineral deposit exploration.

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Teaches

  • Chemistry
    • Crystallochemistry
    • Geochemistry
    • Chemistry
    • Stoichiometry
    • Inorganic Chemistry
    • Analytical chemistry

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Student reviews

Paulina Beltran
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Speaks

SpanishNative

EnglishWorking proficiency

Education

Degree Licenciado En Geoquímica
Master/Postgraduate Magíster Scientarium En Geoquímica
Degree Geometalurgia Aplicada
Ph.D. Investigación, Modelización Y Análisis Del Riesgo En El Medio Ambiente

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About me (pictures, hobbies, extracurricular interests...)

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Frequently Asked Questions

• Can I cancel a booking?

Yes, you can cancel booking up to 8 hours before the lesson starts, indicating the reason for the cancellation. We will study each case personally to carry out the refund.

• How do I pay for the lesson?

At the time you select a lesson or package of hours, you will make the payment through our virtual payment service. You have two options:
- Debit / Credit
- Paypal
Once the payment is settled, we'll send you an e-mail with the booking confirmation.

• Can I modify a booking?

Yes, something unexpected can always happen, so you can change the time or day of the lesson. You can do it from your personal area in "Scheduled lessons" through the option "Change date".

• Where are the lessons held?

The class is done through classgap’s virtual classroom. Classgap was developed specifically for educational purposes, including many useful features such as: digital whiteboard, online text editor, webcam, screen sharing and many more. View virtual classroom

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