Question

Which element has the largest average

Answer 1

Answer:Xenon

Explanation:

The average atomic mass of an element is defined as the sum of the masses of its isotopes,each multiplied by their natural abundances.

Option A:

Argon has a average atomic mass of $39.948 amu$

Option B:

Xenon has a average atomic mass of $131.293 amu$

Option C:

Krypton has a average atomic mass of $83.798 amu$

Option D:

Neon has a average atomic mass of $20.1797 amu$

So,Xenon has the highest average atomic mass.