Question

. 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?

Answer 1

i.

${}^{16} o$

ii.

$\frac{16}{8}o \: \: \: \: \frac{17}{8} o \: \: \frac{18}{8} o$

iii. 8, 7 and 9 neutrons respectively

iv. All have same electronic configurations

$1s {}^{2} \: \: 2s {}^{2} \: \: 2p {}^{4}$