Changing the way you learn

Question 1

Question

Select the type of subshell that can hold the most electrons.

Answer

Question 2

Question

How many electrons are in the 3p subshell of a phosphorus atom?

Answer

one
two
three
four
five

Question 3

Question

What is the ground-state electron configuration of aluminum?

Answer

1s2 2s2 2s1
1s2 2s1 2p6 3s2
1s2 2s2 2p6 3s2 3p0
1s2 2s2 2p6 3s2 3p1

Question 4

Question

Select the quantum number that describes the type of subshell (s, p, d, or f) that an electron occupies.

Answer

Question 5

Question

How many valence electrons are in an atom of a group of 16 element?

Answer

three
four
five
six
seven

Question 6

Question

Select the valence electron configuration of a group 2 element.

Answer

ns2
ns1
ns2 np6
ns2 np5
ns2 np7

Question 7

Question

Which of these ions has the largest ionic radius?

Answer

I-
Br-
Cl-
F-
O2-

Question 8

Question

Which of these elements has the highest first ionization energy?

Answer

Question 9

Question

Which of these compounds would be expected to have the greatest attraction between ions?

Answer

NaCl
MgS
MgO
AlN
AlP

Question 10

Question

As you move toward the top right corner of the periodic table atomic radius-

Answer

and first ionization energy both increase.
and first ionization energy both decrease.
decreases and first ionization energy increases.
increases and first ionization energy decreases.

Question 11

Question

Among the given choices, which of these elements has the higher ionization energy.

Answer

Question 12

Question

Among the given choices, which of these elements has the higher ionization energy?

Answer

Question 13

Question

Among the given choices, which of these elements has the lower electron affinity?

Answer

Question 14

Question

Among the given choices, which of these elements has the lower electron affinity?

Answer

Question 15

Question

Among the given choices, which of these elements has the lower affinity?

Answer

Question 16

Question

Select the type of subshell that can hold the most electrons.

Answer

Question 17

Question

Select the set of quantum numbers that is NOT permitted.

Answer

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

Question 18

Question

According to the VSEPR theory, what formula should be for SF4?

Answer

AX4E3
AX4E2
AX4E
AXE2

Question 19

Question

Predict the molecular geometry for a molecule with two bonded groups and two lone pairs.

Answer

linear
bent
trigonal planar
tetrahedral
trigonal bipyramidal

Question 20

Question

Identify the number of sigma and pi bonds in the CS2 molecule. S=C=S

Answer

1 sigma bond; 1 pi bond
0 sigma bonds; 2 pi bonds
2 sigma bonds; 2 pi bonds
2 sigma bonds; 0 pi bonds

Question 21

Question

Predict the molecular geometry for the SeF4 molecule.

Answer

tetrahedral
trigonal bypyramidal
seesaw
square pyramidal
square planar

Question 22

Question

Determine the molecular geometry for PH3.

Answer

linear
bent
trigonal planar
trigonal pyramidal
tetrahedral

Question 23

Question

Which of these molecules is linear?

Answer

BeF2
SO2
NO2-
OCl2
H2O

Question 24

Question

Select the nonpolar molecule.

Answer

H2S
CS2
HCl
H2O
ClO2

Question 25

Question

How many unshared electrons (lone pairs) are in CHCl3 (chloroform) molecule?

Answer

Question 26

Question

How many unshared electrons (lone pairs) are in NF3 molecule?

Answer

Question 27

Question

What are the formal charges of C and O, respectively in carbon monoxide?

Image:

Download (binary/octet-stream)

Answer

-1,+1
0,0
0,+1
-1,0

Question 28

Question

Which of these molecules is likely to be an exception to the octet rule?

Answer

PCl3
BF3
HCl
NH3

Question 29

Question

Which Lewis structure uses an expanded octet?

Answer

Question 30

Question

What is the formal charge on chlorine in the chlorite ion, ClO2-?

Image:

Picture1 (binary/octet-stream)

Answer

-7
+7
0
+1

Question 31

Question

Determine the formal charge on central atom in the ICl4 molecule.

Answer

0
+1
-1
-2

Question 32

Question

What is the molecular geometry of BrF3?

Answer

T-shaped
Trigonal planar
trigonal pyramidal
seesaw

Question 33

Question

Consider the given lewis structure of PF5. What is the geometry of this molecule?

Answer

trigonal bipyramidal
octahedral
square pyramidal
trigonal pyranidal

Question 34

Question

Determine the total number of valence electrons in bromide pentafluoride, BrF5.

Answer

Question 35

Question

What is the molecular shape of BF3?

Answer

linear
bent
trigonal planar
trigonal pyramidal

Question 36

Question

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

Answer

	Created by Allie De la Llana almost 2 years ago

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