fictitious element X has an average atomic mass of 122.131 u. Element X has two naturally occuring isotopes. The most abundant isotope has an isotopic mass of 121.552 u and a relative abundance of 61.35%. Calculate the isotopic mass of the least abundant isotope.

Free answer. the treaty of versailles ended world war i, but some of the terms of the treaty contributed to the beginning of world war ii. which was one of the terms of the treaty? the answer would be "germany was forces to pay reparations to the allied countries.". i hope this .

Give the orbital configuration of the phosphorus (p) atom.

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore