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Anna007 [38]
3 years ago
13

What determines interactions between atoms?

Chemistry
1 answer:
ss7ja [257]3 years ago
8 0
The interaction between the atoms is due to number of electrons in the valence shell
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5 0
3 years ago
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What is the percent of Cr in Cr2O3
IgorLugansk [536]
The percentage of Chromium in Chromium Oxide is calculated as follow,

Step 1:
           Calculate Molar mass of Cr₂O₃,
Cr = 51.99 u
O = 16 u
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Step 2:
          Secondly divide molar mass of only chromium with total mass of Cr₂O₃ and multiply with 100.
i.e.
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So, the %age composition of chromium in chromium oxide is 68.41 %.
5 0
3 years ago
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