Tag secondary senior

Chemistry tutorial: Resonance

Stemco Stem examinations

CHEMISTRY / SECONDARY SENIOR Chemistry tutorial: Resonance 5 OCTOBER 2021 Resonance is a method in valence bond theory (VBT), most commonly used to explain delocalised bonding. In VBT, bonds are assumed to be formed from the overlap of the atomic…

Wormholes and black holes

PHYSICS / SECONDARY SENIOR Wormholes and black holes 17 SEPTEMBER 2021 Time travel has always captured the popular imagination. In the bestselling book “A Brief History of Time” by the late Stephen Hawking, three means of time travel were proposed,…

AI and Synthetic Organic Chemistry

CHEMISTRY / SECONDARY SENIOR AI and synthetic organic chemistry 30 JULY 2021 The content in this article is written in reference to the review article by de Almeida, Moreira and Rodrigues, published in Nature Reviews Chemistry, 2020. Artificial intelligence (AI),…