The mass numbers of three isotopes of an element are 10,12,14 units. Their percentage abundance is 80,15 and 5 respectively. What is tha tomic weight of the element?

The mass number of three isotopes of an element are 10,12,14 units. Their percentage aboundance is 80,15 and 5 units respectively. What is the atomic weight of the element?

The mass numbers of three istopes of an element are 10,12 and 14 units .Their precentage abundance is 80,15 and 5 respectively .What is the atomic weight of the element ?

The mass numbers of three istopes of an element are 10,12 and 14 units .Their precentage abundance is 80,15 and 5 respectively .What is the atomic weight of the 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 ?

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 ?

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 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

An element has two isotopes of mass numbers 65 and 67 with abundances of 25 % and 75 % respectively. The atomic mass of the elements is