Which of the following chemical equations refers to the second ionization of Al?

Question

Which of the following chemical equations refers to the second ionization of Al? a. Al(s) + 2e^- rightarrow Al^2- (s) b. Al^+ (g) righrarrow Al^2+ (g) + e^- c. Al(g) rightarrow Al^2+ (g) + 2e^- d. Al(s) rightarrow Al^+ (s) + e^- e. Al^2+ (g) + e^- rightarrow Al^+ (g) Which of the following statements is/are CORRECT? 1. Ionic bonds form when one or more valence electrons are transferred from one atom to another. 2. Covalent bonds involve sharing of electrons between atoms. 3. In most covalently bonded compounds. electrons are NOT shared equally between the atoms. a. 1 only b. 2 only c. 3 only d. 1 and 2 e. 1, 2, and 3 Which of the following is a correct Lewis structure for sulfate ion? Which of the following are resonance structures for nitrite ion, NO^- _2? a. 1 and 2 b. 2 and 4 c. 3 and 4 d. 1, 2, and 3 e. 2, 3, and 4

Explanation / Answer

5)its second option

6)its 4th option (statements 1 and 2 are correct)

7)its 4th option

8)its 1st option(1 and 2 are correct structures)

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