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My name is Ann [436]
3 years ago
11

The observed brightness of a star depends on which factors?

Chemistry
1 answer:
dimulka [17.4K]3 years ago
6 0

Answer:

b..............

Explanation:

......

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CI=4O=-1

O has a 2- oxidation change so

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CI+(-8)=-1

CI=-1+8=7

So the oxidation number of chlorine is 7 in this case

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