English
Andrei Scherbak
Periodic table, in full periodic table of the elements, in chemistry, the organized array of all the chemical elements in order of increasing atomic number—i.e., the total number of protons in the atomic nucleus. When the chemical elements are thus arranged, there is a recurring pattern called the “periodic law” in their properties, in which elements in the same column (group) have similar properties. The initial discovery, which was made by Dmitry I. Mendeleyev in the mid-19th century, has been of inestimable value in the development of chemistry.
Hello! I'm Andrew, an English language instructor with 7 years of teaching experience. Currently, I'm based in Germany, where I've spent the past 2 years teaching English and Global Perspectives at the University of Cologne. Throughout my career, I've had the privilege of working with a diverse range of students, including professionals, businesspeople, university students, and school pupils. This experience has honed my adaptability as an educator, allowing me to tailor my teaching approach to individual needs. In addition to teaching, I work as an English language translator, offering my services both domestically and internationally, including in countries such as Great Britain, France, Japan, and Germany. I believe in making language learning an engaging experience. I offer a complimentary first lesson, lasting approximately 60 minutes, to understand students' goals and create personalized learning plans. My dedication to language education and empowering students to communicate effectively in English drives my teaching philosophy. I look forward to contributing to your language journey. Thank you for considering my qualifications!
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