Problem: Which pair of atoms constitutes a pair of isotopes of the same element?A) 158X 157XB) 136X 126XC) 189X 178XD) 1910X 199XE) 2010X 2111X

FREE Expert Solution

Recall: AZX

A = mass number : # of protons + # of neutrons

Z = atomic number : # of protons

X = atomic symbol


84% (117 ratings)
View Complete Written Solution
Problem Details

Which pair of atoms constitutes a pair of isotopes of the same element?

A) 158X 157X

B) 136X 126X

C) 189X 178X

D) 1910X 199X

E) 2010X 2111X

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Isotopes concept. You can view video lessons to learn Isotopes. Or if you need more Isotopes practice, you can also practice Isotopes practice problems.