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Isotopes are the atoms of the same eleme...

Isotopes are the atoms of the same element having__________

A

different number of protons

B

different number of electrons

C

different number of neutons

D

same number of neutrons

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The correct Answer is:
C
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Consider the following stetements in reference to the structure of atom 1. Isopes are the atoms of the same element having same atomic number but different mass - numbers . 2. Isobars are the atoms of different elements having different atomic number of different atomic number but same mass - number . Which of above statement is/are correct ?

Isotopes are the atoms of same element having........ mass number and ................atomic number.

Assertion (A) : The isotopes are the atoms of the same element with different atomic masses. They require different positions in the periodic table. Reason (R) : Variable number of neutrons in the nuclei of the atoms of same elements leads to the different atomic masses.

Isotopes are atoms having.

Isotopes exist because atoms of the same element can have different numbers of

TARGET PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-CRITICAL THINKING
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  2. Which of the following statements is INCORRECT?

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  3. Isotopes are the atoms of the same element having

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  4. Which of the following indicates natural abundance of neon-20 isotope?

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  5. In chemical scale, the relative mass of the isotopic mixture of oxygen...

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  6. The number of moles of sodium oxide in 620 g of it is

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  7. The number of water molecules in 1L of water is :

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  8. 1 mol of CH(4) contains

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  9. Mass of 1 atom of Hydrogen is -

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  10. 1gm-atom of nitrogen may represent:

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  11. The number of molecules in 22.4dm^(3) of nitrogen gas at STP is

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  12. How many moles of electrons weigh one kilogram? (Mass of electron =9...

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  13. Which of the following has maximum number of atoms?

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  14. The number of sulphur atoms present in 0.2 moles of S(8) molecules is

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  15. What will be the volume of CO(2) at NTP obtained on heating 10 grams o...

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  16. If two compounds have the same empirical formula but different molecul...

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  17. The pair of species having same percentage of carbon is:

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  18. The percentage of nitrogen in urea is about:

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  19. Two elements X (Atomic mass 75) and Y (Atomic mass 12) combine to give...

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  20. The empirical formula of a compound is CH. Its molecular weight is 78....

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