Oxidation Numbers and Chemical Formulas
Authored by Charles Martinez
Chemistry
9th - 11th Grade
NGSS covered
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27 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element's don't have oxidation numbers?
alkali metals
noble gases
halogens
alkaline earth metals
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The sum of all oxidation numbers in a neutral compound is ___.
0
1
-1
depends on the compound
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the oxidation number of Magnesium (Mg)?
+2
-2
whats an oxidation number
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation number for Flourine (F)?
+1
-1
17
7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following elements does NOT have an oxidation number of +2?
Ca
Sr
K
Ba
Tags
NGSS.HS-PS1-1
NGSS.HS-PS1-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What element always has an oxidation number of +1?
Hydrogen
Fluorine
Chlorine
Iodine
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation number for Be?
+1
+2
+3
+4
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