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Which of the following pairs of elements exhibit similar physical and chemical behaviors ("diagonal relationships") ?
Q4: Sulfur trioxide can undergo decomposition according to
Q5: The following decision established the modern framework
Q9: The following Supreme Court ruling set the
Q22: Which of the following factors is relevant
Q28: Under physiological conditions, amino acids in solution
Q60: The hydrated Al<sup>3+</sup> ion, Al(H<sub>2</sub>O)<sub>6</sub><sup>3+</sup>, is a
Q68: In the nitrate ion (NO<sub>3</sub><sup>−</sup>), nitrogen and
Q85: Which of the following substances has the
Q91: What is the mass-action expression, Q<sub>c</sub>, for
Q93: The nitrate anion is<br>A)a strong acid.<br>B)a strong