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Q1: Place the following elements in order
Q9: A molecule or ion with four electrons
Q17: An element that has the valence electron
Q18: What is the term for the amount
Q20: Calculate the molality of a solution formed
Q64: Give the approximate bond angle between the
Q94: Which of the following substances would you
Q135: The rate constant for a first-order reaction
Q142: What geometric arrangement of charge clouds is
Q145: <span class="ql-formula" data-value="\mathrm { SO } _