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X and Y are the two atomic species : ...

X and Y are the two atomic species :

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.

Text Solution

Verified by Experts

The correct Answer is:
C
X and Y are isotopes as they have same atomic number but different mass number. Isotopes have same chemical properties (as they have same number of electrons) but different physical properties (as they have different masses).
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MTG IIT JEE FOUNDATION-ATOMS, MOLECULES AND ATOMIC STRUCTURE-EXERCISE (Multiple Choice Questions)
  1. The ion of an element has 3 positive charges. Mass number of the atom ...

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  2. The isoelectronic species are 1. Na^(+)" " 2. Al^(3+) 3. Mg^(2+...

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  3. Which one of the following is a correct electronic configuration of so...

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  4. Electron was discovered by

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  5. Which of the following elements does not form isotopes?

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  6. Pick out the isobar pair.

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  7. Common hydrogen is also called

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  8. Deuterium and tritium are the isotopes of

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  9. The atomic number of an element X is 19. The number of electrons in it...

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  10. Rutherfords experiments , which established the nuclear model of atom ...

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  11. If there are 12 neutrons in an atom and its atomic number is 11, then ...

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  12. Which of the following species does not have electrons equal to 18?

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  13. An atom of an element (X) has its K, L and M shells filled with some e...

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  14. X and Y are the two atomic species : Select the correct statement...

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  15. Number of which among the following is same in Al^(3+) and F^(-) ?

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  16. The number of protons, neutrons and electrons in four elements 1, 2, 3...

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  17. An ion having a mass number 52 has 3 units of positive charge. The num...

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  18. Which of the following statements are correct about alpha (alpha) part...

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  19. Adding an alpha particle to the nucleus of sodium atom produces which ...

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  20. The formula of phosphate of X is XPO(4). The formula of it's sulphate...

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