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?
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how many neutrons, electrons, and protons are in potassium-41?
a
potassium-41 , has 19 protons, 19 electrons and 22 neutrons.
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