What is the overall charge of a neutral compound?

Oxidation Numbers and Copper Compounds

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zero
Depends on the elements
Negative
Positive
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical oxidation number of hydrogen when bonded to a metal?
+2
+1
-1
0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is copper's oxidation number variable?
It is always -1
It is always +1
It is a transition metal
It is a non-metal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What oxidation number must copper have in copper(I) hydride to balance hydrogen?
-1
+1
0
+2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the 'I' in copper(I) hydride?
It shows the oxidation number of copper is +1
It means the compound is neutral
It signifies the presence of hydrogen
It indicates the compound is ionic
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