Explanation:
Antimony Sb, is located on the 5th group on the periodic table with other elements such as Nitrogen, phosphorus, arsenic, bismuth and moscovium.
Its electronic configuration is:
2, 8, 18, 18, 5
The percent abundances of each isotope is;
Sb - 121 = 57.21%
Sb - 123 = 42.79%
