The average of the masses of the isotopes of an elements is called ____

The isotopes of an element have

Isotopes of an element have

Group 16 elements called

Atomic mass of an element is

Magic number elements are those isotopes of elements

Which is different in isotopes of an element?

The relative abundance of two isotopes of an element with atomic weight 85 and 87 is 75% and 25% respectively. Then calculate the average atomic weight of element

The mass number of three isotopes of an element are 11,12 and 13 .Their percentage ohandances 80,15 and 5 , respectively .What is the atomic weight of the element ?

An element, X has the following isotopic composition ""^(56)X : 90% ""^(57)X : 8% ""^(57)X: 2.0% . The weighted average atomic mass of the naturallyoccurring element X is closest to

Which of the following are the characteristics of isotopes of an element ?