Sean Chua is a professional Chemistry Trainer and the invited ten years series (TYS) book author for both the GCE A-Level H2 Chemistry and O-Level Chemistry TYS books.
He has more than 20 years of teaching experience. Thousands of students have benefited from his in-depth teaching of Chemistry Concepts from his Live Chemistry Classes in Singapore or from his Online Tutorial School.
Many of his students managed to improve 4-6 grades jump in their Chemistry grade after joining his weekly Chemistry classes and holiday revision workshops.
He has been interviewed by both the mainstream English and Chinese newspapers, The Straits Times & LianHe ZaoBao 联合早报 respectively.
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What makes it so you cannot switch polarity of the connection to go back and forth minimizing material loss? Stupid question I'm sure. I'm good at those. 😅
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