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Why mass number of are always whole number?
The main reason is that many elements exist in several isotopic forms. These are atoms with the same number of protons and electrons but different numbers of neutrons. Since the atomic mass is essentially based on the number of protons and neutrons in each atom, the element will exist in several forms with different masses. The atomic mass is the average of the masses of these isotopes, weighted together according to their abundance.
What is equal set from equivalent sets?
equal sets with exactly the same elements and number of elements.equivalent sets with numbers of elements
What does find the average mean in math?
The average of a set of numbers is the sum of the numbers in the set divided by the number of elements in the set.
What are the dodging numbers up to 1 100?
Dodging numbers are numbers which some young children miss out, by mistake, when they are learning to count. Different children will miss out different numbers.
How many elements are in the set whole numbers between 3 and 15?
12
