
Oxidation Numbers
Authored by Mary Cartenuto
Chemistry
9th - 10th Grade
NGSS covered
Used 146+ times

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17 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the charge for an ion in group 1?
Tags
NGSS.HS-PS1-1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the charge of an ion in group 2?
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the charge of an ion in group 13?
+3
-3
-5
+5
Tags
NGSS.HS-PS1-1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the charge of the cobalt(IV) ion?
Tags
NGSS.HS-PS1-1
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the charge of the iron(III) ion?
Tags
NGSS.HS-PS1-1
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What element's don't have oxidation numbers?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Why are ions formed?
To make our lives difficult
Because atoms want 8 valence electrons
Because atoms have the same number of protons and electrons
Because atoms gained neutrons
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
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