Basic Chemistry I Final Exam Review

Descripción

General Chemistry 1 Final Exam Review
Allie De la Llana
Test por Allie De la Llana, actualizado hace más de 1 año
Allie De la Llana
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Resumen del Recurso

Pregunta 1

Pregunta
Select the type of subshell that can hold the most electrons.
Respuesta
  • s
  • p
  • d
  • f

Pregunta 2

Pregunta
How many electrons are in the 3p subshell of a phosphorus atom?
Respuesta
  • one
  • two
  • three
  • four
  • five

Pregunta 3

Pregunta
What is the ground-state electron configuration of aluminum?
Respuesta
  • 1s2 2s2 2s1
  • 1s2 2s1 2p6 3s2
  • 1s2 2s2 2p6 3s2 3p0
  • 1s2 2s2 2p6 3s2 3p1

Pregunta 4

Pregunta
Select the quantum number that describes the type of subshell (s, p, d, or f) that an electron occupies.
Respuesta
  • n
  • l
  • ml
  • ms

Pregunta 5

Pregunta
How many valence electrons are in an atom of a group of 16 element?
Respuesta
  • three
  • four
  • five
  • six
  • seven

Pregunta 6

Pregunta
Select the valence electron configuration of a group 2 element.
Respuesta
  • ns2
  • ns1
  • ns2 np6
  • ns2 np5
  • ns2 np7

Pregunta 7

Pregunta
Which of these ions has the largest ionic radius?
Respuesta
  • I-
  • Br-
  • Cl-
  • F-
  • O2-

Pregunta 8

Pregunta
Which of these elements has the highest first ionization energy?
Respuesta
  • Ne
  • F
  • O
  • Li
  • Rb

Pregunta 9

Pregunta
Which of these compounds would be expected to have the greatest attraction between ions?
Respuesta
  • NaCl
  • MgS
  • MgO
  • AlN
  • AlP

Pregunta 10

Pregunta
As you move toward the top right corner of the periodic table atomic radius-
Respuesta
  • and first ionization energy both increase.
  • and first ionization energy both decrease.
  • decreases and first ionization energy increases.
  • increases and first ionization energy decreases.

Pregunta 11

Pregunta
Among the given choices, which of these elements has the higher ionization energy.
Respuesta
  • Li
  • Be
  • B
  • Na

Pregunta 12

Pregunta
Among the given choices, which of these elements has the higher ionization energy?
Respuesta
  • Na
  • Mg
  • Al
  • K

Pregunta 13

Pregunta
Among the given choices, which of these elements has the lower electron affinity?
Respuesta
  • Li
  • Be
  • B
  • Na

Pregunta 14

Pregunta
Among the given choices, which of these elements has the lower electron affinity?
Respuesta
  • C
  • N
  • O
  • F

Pregunta 15

Pregunta
Among the given choices, which of these elements has the lower affinity?
Respuesta
  • Ne
  • N
  • O
  • F

Pregunta 16

Pregunta
Select the type of subshell that can hold the most electrons.
Respuesta
  • s
  • p
  • d
  • f

Pregunta 17

Pregunta
Select the set of quantum numbers that is NOT permitted.
Respuesta
  • n=2, l=1, ml=1, ms=+1/2
  • n=3, l=0, ml=1, ms=+1/2
  • n=1, l=0, ml=0, ms=-1/2
  • n=4, l=3, ml=3, ms=-1/2
  • n=3, l=3, ml=2, ms=+1/2

Pregunta 18

Pregunta
According to the VSEPR theory, what formula should be for SF4?
Respuesta
  • AX4E3
  • AX4E2
  • AX4E
  • AXE2

Pregunta 19

Pregunta
Predict the molecular geometry for a molecule with two bonded groups and two lone pairs.
Respuesta
  • linear
  • bent
  • trigonal planar
  • tetrahedral
  • trigonal bipyramidal

Pregunta 20

Pregunta
Identify the number of sigma and pi bonds in the CS2 molecule. S=C=S
Respuesta
  • 1 sigma bond; 1 pi bond
  • 0 sigma bonds; 2 pi bonds
  • 2 sigma bonds; 2 pi bonds
  • 2 sigma bonds; 0 pi bonds

Pregunta 21

Pregunta
Predict the molecular geometry for the SeF4 molecule.
Respuesta
  • tetrahedral
  • trigonal bypyramidal
  • seesaw
  • square pyramidal
  • square planar

Pregunta 22

Pregunta
Determine the molecular geometry for PH3.
Respuesta
  • linear
  • bent
  • trigonal planar
  • trigonal pyramidal
  • tetrahedral

Pregunta 23

Pregunta
Which of these molecules is linear?
Respuesta
  • BeF2
  • SO2
  • NO2-
  • OCl2
  • H2O

Pregunta 24

Pregunta
Select the nonpolar molecule.
Respuesta
  • H2S
  • CS2
  • HCl
  • H2O
  • ClO2

Pregunta 25

Pregunta
How many unshared electrons (lone pairs) are in CHCl3 (chloroform) molecule?
Respuesta
  • 6
  • 12
  • 18
  • 24

Pregunta 26

Pregunta
How many unshared electrons (lone pairs) are in NF3 molecule?
Respuesta
  • 8
  • 18
  • 24
  • 20

Pregunta 27

Pregunta
What are the formal charges of C and O, respectively in carbon monoxide?
Respuesta
  • -1,+1
  • 0,0
  • 0,+1
  • -1,0

Pregunta 28

Pregunta
Which of these molecules is likely to be an exception to the octet rule?
Respuesta
  • PCl3
  • BF3
  • HCl
  • NH3

Pregunta 29

Pregunta
Which Lewis structure uses an expanded octet?
Respuesta
  • BH3
  • NH3
  • CN-
  • SF4

Pregunta 30

Pregunta
What is the formal charge on chlorine in the chlorite ion, ClO2-?
Respuesta
  • -7
  • +7
  • 0
  • +1

Pregunta 31

Pregunta
Determine the formal charge on central atom in the ICl4 molecule.
Respuesta
  • 0
  • +1
  • -1
  • -2

Pregunta 32

Pregunta
What is the molecular geometry of BrF3?
Respuesta
  • T-shaped
  • Trigonal planar
  • trigonal pyramidal
  • seesaw

Pregunta 33

Pregunta
Consider the given lewis structure of PF5. What is the geometry of this molecule?
Respuesta
  • trigonal bipyramidal
  • octahedral
  • square pyramidal
  • trigonal pyranidal

Pregunta 34

Pregunta
Determine the total number of valence electrons in bromide pentafluoride, BrF5.
Respuesta
  • 24
  • 42
  • 48
  • 50

Pregunta 35

Pregunta
What is the molecular shape of BF3?
Respuesta
  • linear
  • bent
  • trigonal planar
  • trigonal pyramidal

Pregunta 36

Pregunta
Among the four Alkali metal Iodides LiI, NaI, KI, and RbI, which iodide has the highest lattice energy?
Respuesta
  • LiI
  • NaI
  • KI
  • RbI
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