9. X and Y are two atomic species.
X Y
No of Proton 9
9
No of Neutron
9
10
Select the correct statement about X and Y
a. X and Y are isobars.
b. X and Y have different chemical properties.
.
c. X and Y have different physical properties.
d. X and Y are the atoms of different elements.
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Answer:
X and Y have different physical properties.
Explanation:
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