1 Objective Questions 4 Matter 1. Alpha particles, 2 He2+, are emitted when a radioactive nucleus disintegrates. Which of the following species has the same number of electrons…
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Slide 1 Section 4: Moles of Compounds Chapter 7: Chemical Composition Learning Goals Convert between grams and moles. Convert between grams and number of atoms or molecules.…
KEDAH PAPER 3 2013 DISCUSSION ON ELECTRICAL CONDUCTIVITY TITRATION RUSTING A student carried out three experiments to investigate the electrical conductivity of three compounds,…