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24-09-2017
Chemistry

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When adding one atom has 20 protons and a mass of 44. another atom has 20 protons and a mass number of 40. what is the identity of these atoms?

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BismaNaeem BismaNaeem

26-09-2017

These atoms are isotopes, they have the same number of protons which means the atoms are of the same ELEMENT, but they have different numbers of neutrons.

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