Join IDNLearn.com and start getting the answers you've been searching for. Find the solutions you need quickly and accurately with help from our knowledgeable community.

(Please help)
1.what is the most common isotope for element x

2.calculate the average atomic mass for element x


Please Help 1what Is The Most Common Isotope For Element X 2calculate The Average Atomic Mass For Element X class=

Sagot :

Answer:

1. Isotope with mass number 39.

2. 39.02g/mol

Explanation:

1. The most common isotope is the isotope in the higher proportion, that is:

Isotope with mass number 39.

2. The average atomic mass is the sum of the masses times their abundance. For the element X:

Average atomic mass:

38*0.0967 + 39*0.7868 + 40*0.1134 + 41*0.0031

= 39.02g/mol