Grade 11Physical Chemistry
The total number of electrons in one molecule of carbon dioxide is
a. 22
b. 44
c. 66
d. 88
1 Answer
Navjyot Kalra
Sol. In a neutral atom, atomic number represents the number of protons inside the nucleus and equal number of electorns around it. Therefore, the number of total electrons in molecule of CO2
= electrons present in one carbon atom
+ 2 × electrons present in one oxygen atom.
= 6 + 2 × 8 = 22.
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