How many total valence electrons are present in the perbromate ion, BrO4-?

Perbromate Ion and Valence Electrons

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Chemistry
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9th - 10th Grade
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Hard

Jackson Turner
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
34
32
30
28
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is placed at the center of the BrO4- ion structure?
Oxygen
Bromine
Hydrogen
Nitrogen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is bromine placed at the center of the BrO4- ion?
It is the most electronegative element.
It has the highest atomic number.
It is the least electronegative element.
It forms the most bonds.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons are used to form bonds between bromine and oxygen in BrO4-?
12
16
4
8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of valence electrons used to complete the octets of the oxygen atoms in BrO4-?
40
32
24
16
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is added to the Lewis structure of BrO4- to indicate it is an ion?
A double bond
A single bond
Brackets and a negative sign
A positive sign
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge of the perbromate ion?
Positive
Neutral
Negative
Double negative
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