the atomic number of atoms elements is 18 and 20 respectively and mass number is 40 mention the term that can be given to relate such pairs of atom will they have the same chemical properties justify your answer
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Isobars are elements with same masses yet different atomic no.s. Ca and Ar are examples. Both have atomic no. 18 and 20 but atomic mass 40
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Answer:
Isobars , they will have different chemical properties.
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