Q. The oxidation number of Phosphorus (P) in Phosphorus Chloride (PCl₃) is

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Q. The oxidation number of Magnesium (Mg) in Magnesium Chloride (MgCl₂) is

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Q. The elements in which the outermost electrons are in the same principal quantum shell form the

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Q. Hydrated Aluminum Chloride (AlCl₃) exists as

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Q. Another product of the reaction SiO₂(s) + NaOH(l) → Na₂SiO₃(aq) would be

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Q. Oxygen has a higher electronegativity than

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Q. Consider the reaction: Al₂O₃+NaOH + H₂O (l) → NaAl(OH)₄ (aq). The moles of NaOH required to balance the equation are

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Q. Metal chloride that is hydrolyzed is

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Q. Consider the reaction: P₄O₁₀(s) + H₂O (l) → H₃PO₄ (aq). The moles of H₂O required to balance equation will be

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Q. The reaction NaCl(s) → Na⁺(aq) + Cl⁻(aq) shows that the

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Q. Which statement is correct about the physical properties of elements across the period?

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Q. From the metals in a period, the neighboring members differ by

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Q. Consider the reaction: Al₂O₃+H₂SO₄ → Al₂(SO₄)₃. The 2nd by-product in this reaction will be

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Q. Element that uses all outer shell electrons in bonding with oxygen is

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Q. Consider the reaction: Al₂O₃+NaOH + H₂O (l) → NaAl(OH)₄ (aq). Moles of H₂O required to balance the equation are

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Q. +7 is the oxidation number of

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Q. Consider the reaction: Al₂O₃ + NaOH + H₂O(l) → NaAl(OH)₄(aq). Moles of NaAl(OH)₄(aq) produced with 1 mole of Al₂O₃ will be

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Q. Metal chloride that is hydrated is

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Q. Consider the reaction: Al₂O₃+H₂SO₄ → Al₂(SO₄)₃ + H₂O. Moles of H₂SO₄ required to balance the equation are

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Q. The type of molecular structure of beginning Period 3 elements is

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