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element that lies in period 4?
Q18: What is the highest possible oxidation state
Q19: The conversion of the chromate ion (CrO<sub>4</sub><sup>2</sup>¯)
Q22: The chloride ion, Cl¯, is a typical
Q34: A first-order reaction has a half-life of
Q35: Magnesium carbonate dissociates to magnesium oxide
Q46: Calcium oxide is added to molten iron
Q51: All weak acids have strong conjugate bases.
Q56: The isotopes <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7799/.jpg" alt="The isotopes
Q59: Calculate <span class="ql-formula" data-value="\Delta"><span class="katex"><span class="katex-mathml"><math
Q68: Which of the following has the highest