what do you think you know about physics, physics is the study of matter under the effect of energy, but does this includes solid states bodies, atoms at ground states, object at microscopic size or object moving faster than light? these and more is what prompt me to ask again what is physics?
the atomic masses of elements are generally not whole numbers explain why
atomic
mass are not actual mass of a single isotopes but a relative atomic masses of
individual isotopes added together base on their percentage abundance.
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