The number of an atom of an element contain 17 protons and 18 newtons. Calculate the atomic number and mass no. Of the element and represent them along with symbols.
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Atoms of an element that contain different numbers of neutrons are called isotopes. Each isotope of a given element has the same atomic number but a different mass number (A), which is the sum of the numbers of protons and neutrons.
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atomic number is 17
atomic mass is 35.5
element is Chlorine (Cl)
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