What is the central atom in the Lewis structure of HIO3?

Lewis Structures and Formal Charges

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Chemistry
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9th - 10th Grade
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Hard

Lucas Foster
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbon
Iodine
Oxygen
Hydrogen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is hydrogen placed on the outside of an oxygen in the Lewis structure of HIO3?
Because it is more electronegative
Because it is an acid
Because it forms a double bond
Because it has more valence electrons
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons are used to form chemical bonds in HIO3?
8
10
24
26
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formal charge on iodine in the initial Lewis structure of HIO3?
-1
0
+2
+1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which oxygen atom has a formal charge of zero in the initial structure?
All oxygen atoms
Oxygen on the left
Oxygen bonded to hydrogen
Oxygen on the right
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adjustment is made to achieve formal charges of zero on all atoms?
Changing the central atom
Adding more electrons
Forming double bonds
Removing electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it acceptable for iodine to have more than an octet in the final structure?
Because it is highly reactive
Because it is below period 2 on the periodic table
Because it is a noble gas
Because it is in period 1
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