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Nesterboy [21]
3 years ago
6

Which of the following is a noble gas? carbon dioxide, boron, oxygen, and helium

Chemistry
2 answers:
Irina-Kira [14]3 years ago
6 0
Helium is a nobel gas  carbon dioxide is a compound boron I think is a metal oxgen is not a nobel gas    I know the periodic table of elements like its the back of my hand I'm only14
sweet [91]3 years ago
4 0
Carbon dioxide is a noble gas.
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Ionic bonds form between which two types of elements?​
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what is the oxidation state of each element in coh2? c o h what is the oxidation state of each element in febr3? fe br
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The oxidation state of the elements  in the compounds are:

CoH₂:

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FeBr₃:

  • Fe = +3
  • Br = -1

<h3>What is the oxidation states of the elements in the given compounds?</h3>

The oxidation states of the elements in each of the given compounds is determined as follows:

Cobalt dihydride, CoH₂

Co = +2

H = -1

Iron (iii) bromide, FeBr₃

Fe = +3

Br = -1

In conclusion, the oxidation state of the elements are charges they have in the compound.

Learn more about oxidation state at: brainly.com/question/27239694

#SPJ1

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