Question

please tell ques.6 both parts

Answer 1

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Answer 2

(1) isotops

79X35 ,80Y35

isobars

58A26, 58B28

(2)So they do essentially have different number of protons or electrons. They differ chemically but their physical properties may be similar. Isotopes have the same atomic number, while isobars have the same atomic mass. Isotopes : Isotopes are atoms that have same atomic number but different mass numbers.