Semester 1 Review 1314
Honors Chemistry
Worth 10% of Semester Final
1. Which of the following is the correct electron
configuration for a neutral atom of oxygen in the ground
state?
A) 1s 2 2p 4
C) 1s 2 2s 22p 2
E) 1s 2 2s 22p 6 3s 23p 4
B) 1s 2 2s 4
D) 1s 2 2s 22p4
2. The species having the same number of electrons as Mg
2+ is
A) Na
B) O 2–
C) N–
D) Ar
E) Ne1+
3. Which of the species is the most stable?
B) He+ (g)
D) Ne+ (g)
A) He(g)
C) Ne(g)
E) Xe(g)
4. What is the Lewis electron–dot diagram for the sulfide
ion?
A)
B)
C)
D)
E)
5. What is the number of electrons in an atom that has 3
protons and 4 neutrons?
A) 1
B) 7
C) 3
D) 4
6. Which subatomic particles are located in the nucleus of
an He-4 atom?
A)
B)
C)
D)
electrons and neutrons
electrons and protons
neutrons and protons
neutrons, protons, and electrons
7. Each diagram below represents the nucleus of a different
atom.
Which diagrams represent nuclei of the same element?
A) D and E, only
C) Q and R, only
B) D, E, and Q
D) Q, R, and E
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Name:______________
Period:____
8. Which two notations represent different isotopes of the same element?
A)
and
B)
and
C)
9. When compared with the energy of an electron in the
first shell of a carbon atom, the energy of an electron in
the second shell of a carbon atom is
A) less
C) the same
B) greater
A) Rb
A) 7
A) 1
C) 13
D) 4
D) 14
B) Fe2S3
D) Fe 2(SO3) 3
B) CuO 2
D) Cu2O2
24. Which formula represents lead(II) chromate?
A) PbCrO4
C) Pb2CrO4
B) Pb(CrO4) 2
D) Pb2(CrO4) 3
25. What is the IUPAC name for the compound FeS?
B) argon
D) sodium
atomic radius
electronegativity
first ionization energy
number of electrons in the first shell
B) 2
A) CuO
C) Cu 2O
A) iron(II) sulfate
C) iron(II) sulfide
B) iron(III) sulfate
D) Iron(III) sulfide
26. A correct name for N2O3 is
A)
B)
C)
D)
16. As the elements of Group 17 are considered in order of
increasing atomic number, there is an increase in
A)
B)
C)
D)
C) 3
23. Which formula represents copper(I) oxide?
15. Which element, represented by X, reacts with fluorine
to produce the compound XF2?
A) aluminum
C) magnesium
B) 9
A) FeS
C) FeSO 3
14. Which Lewis electron-dot diagram represents calcium
oxide?
D)
B) calcium oxide
D) calcium sulfide
22. What is the chemical formula of iron(III) sulfide?
B) Ca and Br
D) Na and P
C)
B) Sr 3PO 8
D) Sr 3(PO 4) 2
21. An unknown element X can form a compound with the
formula XBr 3. In which group on the Periodic Table
would element X be found?
13. Which two elements have the most similar chemical
properties?
B)
D) Rn
20. What is the total number of different elements present
in NH4NO 3?
B) Cr, Pb, Xe
D) N, O, F
A)
C) Re
A) calcium bromide
C) calcium phosphide
fewer valence electrons
more valence electrons
fewer electron shells
more electron shells
A) Be and Mg
C) Cl and Ar
B) Ra
19. In which compound is the ratio of metal ions to
nonmetal ions 1 to 2?
B) atomic number
D) oxidation number
12. Compared to the atoms of nonmetals in Period 3, the
atoms of metals in Period 3 have
A)
B)
C)
D)
17. Which element forms a compound with chlorine with
the general formula MCl
A) SrPO4
C) Sr 2(PO4) 3
11. Which list includes elements with the most similar
chemical properties?
A) Br, Ga, Hg
C) O, S, Se
and
18. Which formula represents strontium phosphate?
10. The elements on the Periodic Table are arranged in
order of increasing
A) atomic mass
C) molar mass
D)
and
nitrogen (I) oxide
nitrogen (II) oxide
nitrogen (III) oxide
nitrogen (IV) oxide
27. Which element forms an ionic compound when it reacts
with lithium?
A) K
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B) Fe
C) Kr
D) Br
28. An ionic compound is formed when there is a reaction
between the elements
A)
B)
C)
D)
strontium and chlorine
hydrogen and chlorine
nitrogen and oxygen
sulfur and oxygen
B) NH 3
C) KBr
A)
D) Cl 2
A) 2p
B) CCl4 C) NH 3
D) H2
A) electrovalent
B) ionic
C) nonpolar covalent D) polar covalent
35. Given the formula representing a molecule:
C–H
The molecule is
A)
B)
C)
D)
D)
0 -1 e
B) 2s
C) 3p
D) 3s
B) 2s sublevel
D) 4p sublevel
B) 1s 12s 2
D) 1s 22s 2
A) absorbed as electrons move from higher to lower
electron shells
B) absorbed as electrons move from lower to higher
electron shells
C) released as electrons move from higher to lower
electron shells
D) released as electrons move from lower to higher
electron shells
34. Two atoms of element A unite to form a molecule with
the formula A2. The bond between the atoms in the
molecule is
H–C
10n
41. Which electron configuration represents an atom of
lithium in an excited state?
33. Which formula represents a nonpolar molecule
containing polar covalent bonds?
A) H2O
C)
42. The bright-line spectrum of sodium is produced when
energy is
32. Which molecule has a nonpolar covalent bond?
D)
B)
A) 1s sublevel
C) 3p sublevel
A) 1s 12s 1
C) 1s 22s 1
B) CuBr 2
D) C6H12O6
C)
B) CO 2 and CH 4
D) H2O and CH4
39. Which of the following sublevels has the highest
energy?
Based on these results, the solid substance could be
B)
D) CH 4
40. Energy is absorbed when an electron moves from a 3d
sublevel to a
31. A solid substance was tested in the laboratory. The test
results are listed below.• dissolves in water
• is an electrolyte
• melts at a high temperature
A)
C) NH 3
38. Which particle has the least mass?
B) C6H14
D) CCl4
A) Cu
C) C
B) H2O
A) CO 2 and HCl
C) H 2O and HCl
30. Based on bond type, which compound has the highest
melting point?
A) CH 3OH
C) CaCl2
A) HCl
37. Which formulas represent two polar molecules?
29. Which substance contains bonds that involved the
transfer of electrons from one atom to another?
A) CO 2
36. Which formula represents a nonpolar molecule?
symmetrical and polar
symmetrical and nonpolar
asymmetrical and polar
asymmetrical and nonpolar
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Answer Key
Honors Chemistry 1st Semester Review 2012-2013
1.
D
37.
C
2.
B
38.
D
3.
A
39.
C
4.
B
40.
D
5.
C
41.
B
6.
C
42.
C
7.
B
8.
A
9.
B
10.
B
11.
C
12.
A
13.
A
14.
D
15.
C
16.
A
17.
A
18.
D
19.
A
20.
C
21.
C
22.
B
23.
C
24.
A
25.
C
26.
C
27.
D
28.
A
29.
C
30.
C
31.
B
32.
A
33.
B
34.
C
35.
B
36.
D
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