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Of the following,which element has the highest first ionization energy?


A) Sr
B) Rb
C) Na
D) Ca

E) None of the above
F) C) and D)

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What is the name for the group of elements indicated by the shaded portion of the periodic table? What is the name for the group of elements indicated by the shaded portion of the periodic table?   A) alkaline earth metals B) group 3A elements C) halogens D) noble gases


A) alkaline earth metals
B) group 3A elements
C) halogens
D) noble gases

E) None of the above
F) All of the above

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  -Which of the above pictures are more likely to represent ionic compounds? A) pictures (a) and (b)  B) pictures (a) and (d)  C) pictures (b) and (c)  D) pictures (b) and (d) -Which of the above pictures are more likely to represent ionic compounds?


A) pictures (a) and (b)
B) pictures (a) and (d)
C) pictures (b) and (c)
D) pictures (b) and (d)

E) C) and D)
F) A) and B)

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Calcium,strontium,and barium are all prepared commercially by the same method which is


A) electrolysis of the molten metal oxides.
B) electrolysis of the molten metal halides.
C) chemical reduction of the metal oxides with aluminium.
D) chemical reduction of the metal halides with oxygen.

E) A) and B)
F) A) and C)

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Which alkaline earth metal reacts the most vigorously with water at room temperature?


A) Be
B) Ca
C) Ba
D) Sr

E) B) and C)
F) A) and B)

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The four spheres below represent K+,Ca2+,Cl-,and S2-,not necessarily in that order. The four spheres below represent K<sup>+</sup>,Ca<sup>2+</sup>,Cl<sup>-</sup>,and S<sup>2-</sup>,not necessarily in that order.   -Which sphere most likely represents the S<sup>2-</sup> ion? A) A B) B C) A or B D) C or D -Which sphere most likely represents the S2- ion?


A) A
B) B
C) A or B
D) C or D

E) None of the above
F) A) and C)

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Which of the following reactions is inconsistent with the chemistry of the halogens?


A) H2(g) + Cl2(g) → 2 HCl(g)
B) Fe(s) + F2(g) → FeF2(s)
C) Br2(l) + 2 Cl-(aq) → 2 Br-(aq) + Cl2(g)
D) I2(s) + 3 Cl2(g) → 2 ICl3(s)

E) None of the above
F) A) and D)

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Which ionic compound would be expected to have the highest lattice energy?


A) NaCl
B) MgO
C) AlF3
D) Al2O3

E) A) and B)
F) None of the above

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Which species does not have an octet of electrons for its outer core?


A) C4-
B) P3-
C) O2-
D) Mg+

E) A) and B)
F) None of the above

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Of the following,which element has the highest first ionization energy?


A) Cl
B) F
C) O
D) S

E) A) and D)
F) B) and D)

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Which ionization process requires the most energy?


A) O(g) → O+(g) + e-
B) O+(g) → O2+(g) + e-
C) F(g) → F+(g) + e-
D) F+(g) → F2+(g) + e-

E) A) and B)
F) A) and D)

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Which is not generally considered to be a chemical reaction of the alkaline earth metal calcium?


A) Ca(s) + Cl2(g) → CaCl2(s)
B) 2 Ca(s) + 2 H2O(l) → 2 Ca(OH) 2(aq) + H2(g)
C) 6 Ca(s) + 2 N2(g) → 2 Ca3N2(s)
D) Ca(s) + O2(g) → CaO2(s)

E) A) and C)
F) A) and B)

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The following pictures represent alkali halide salts. The following pictures represent alkali halide salts.   -Which salt has the lowest lattice energy? A) picture (a)  B) picture (b)  C) picture (c)  D) picture (d) -Which salt has the lowest lattice energy?


A) picture (a)
B) picture (b)
C) picture (c)
D) picture (d)

E) A) and C)
F) A) and B)

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Which of the following ionic compounds would be expected to have the highest lattice energy?


A) LiCl
B) NaCl
C) KCl
D) RbCl

E) B) and D)
F) None of the above

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The four spheres below represent Na+,Mg2+,F⁻,and O2-,not necessarily in that order. The four spheres below represent Na<sup>+</sup>,Mg<sup>2+</sup>,F⁻,and O<sup>2-</sup>,not necessarily in that order.   -Which sphere most likely represents the F<sup>-</sup> ion? A) A B) B C) C D) D -Which sphere most likely represents the F- ion?


A) A
B) B
C) C
D) D

E) None of the above
F) A) and B)

Correct Answer

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An element that has the valence electron configuration 3s23p3 belongs to which period and group?


A) period 3;group 3A
B) period 3;group 5A
C) period 4;group 3A
D) period 4;group 5A

E) C) and D)
F) A) and B)

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Predict the product(s) when the reactants Be(s) + Br2(l) are mixed.


A) BeBr(s)
B) BeBr2(s)
C) Be2Br(s)
D) BeBr3(s)

E) B) and C)
F) A) and B)

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  -Which element,indicated by letter on the periodic table above,has a 3+ ion with the electron configuration 1s<sup>2</sup> 2s<sup>2</sup> 2p<sup>6</sup> 3s<sup>2</sup> 3p<sup>6</sup>? A) A B) B C) C D) D -Which element,indicated by letter on the periodic table above,has a 3+ ion with the electron configuration 1s2 2s2 2p6 3s2 3p6?


A) A
B) B
C) C
D) D

E) A) and B)
F) A) and C)

Correct Answer

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  -Which of the above pictures best represents a gaseous covalent compound? A) picture (a)  B) picture (b)  C) picture (c)  D) picture (d) -Which of the above pictures best represents a gaseous covalent compound?


A) picture (a)
B) picture (b)
C) picture (c)
D) picture (d)

E) A) and C)
F) B) and C)

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Which contains covalent bonds?


A) NaH and HCl
B) only HCl
C) only NaCl
D) only NaH

E) B) and C)
F) A) and C)

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