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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Q. Element that uses all outer shell electrons in bonding with oxygen (O₂) is

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Q. An Oxidation number can be

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Q. The total of the oxidation number is an element's

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Q. A number which is assigned to each atom or ion in a compound which explains its degree of oxidation is called

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Q. The system which suggested Roman numbers to name compounds is called as

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Q. Salts of common acids doesn't contain in its nomenclature the

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Q. Metals always bear

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Q. N₂O, NO, NO₂ are all nitrogen's

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Q. Element that has oxidation greater than +4 is

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