What does the negative charge in ClF4- indicate about the ion?

Oxidation Numbers and Chlorine Ions

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Chemistry
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10th - 12th Grade
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Hard

Liam Anderson
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It has no charge.
It is an ion with a negative charge.
It has a positive charge.
It is a neutral molecule.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When determining oxidation numbers, what should the sum of oxidation numbers in an ion equal?
The charge of the ion
The number of atoms
Zero
The atomic number of the central atom
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the oxidation number of fluorine always -1?
Because it is a noble gas
Because it is highly electronegative
Because it is in group 17
Because it forms diatomic molecules
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What variable is used to represent the oxidation number of chlorine in the equation?
a
z
y
x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the equation set up to find the oxidation number of chlorine in ClF4-?
x + 4 = -1
x - 4 = -1
x - 4 = 1
x + 4 = 1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of chlorine in ClF4- after solving the equation?
+3
+2
+4
+1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you verify the oxidation number of chlorine in ClF4-?
By checking if the sum equals the number of atoms
By checking if the sum equals the charge of the ion
By checking if the sum equals zero
By checking if the sum equals the atomic number of chlorine
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final charge on the ClF4- ion after adding the oxidation numbers?
+1
0
-1
-2
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