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. A certain diatomic element is a colorless gas and is highly reactive. It has three isotopes with mass #’s 16, 17 and 18 i.What is the naturally occurring diatomic element ? (2 points) ii. Write the isotopic symbols. (2 points) iii. How many neutrons does each possess? (2 points) iv. What is the electronic configuration of each isotope?

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i.

[tex] {}^{16} o[/tex]

ii.

[tex] \frac{16}{8}o \: \: \: \: \frac{17}{8} o \: \: \frac{18}{8} o[/tex]

iii. 8, 7 and 9 neutrons respectively

iv. All have same electronic configurations

[tex]1s {}^{2} \: \: 2s {}^{2} \: \: 2p {}^{4} [/tex]

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