Advertisements
Advertisements
Question
Change in the number of neutrons in an atom changes it to ______.
Options
an ion
an isotope.
an isobar
another element
Solution
Change in the number of neutrons in an atom changes it to an isotope.
APPEARS IN
RELATED QUESTIONS
Name the Radioactive Isotope Which is Used in the Treatment of Cancer.
What name is given to those atoms which contain the same number of protons and electrons but different number of neutrons?
Hydrogen has three isotopes written as :
`""_1^1"H"` `""_1^2"H"` `""_1^3"H"`
Explain why :
(i) these isotopes have almost identical chemical properties.
(ii) they are electrically neutral.
The radioactive isotope used in the treatment of cancer is :
The number of protons, neutrons and electrons in particles A to E are given below :
Particle | Protons | Neutrons | Electrons |
A | 17 | 18 | 17 |
B | 3 | 4 | 2 |
C | 18 | 22 | 18 |
D | 17 | 20 | 17 |
E | 9 | 10 | 10 |
Giving reasons, find a pair of isotopes from the above particles.
What are isotopes? With reference to which fundamental particle do isotopes differ? Give two uses of isotopes.
According to Dalton’s Atomic Theory, atoms of the same element are identical in all respects. But according to the Modern Atomic Theory, this postulate is proved wrong. Explain.
Define isotopes. Give example.
U-235 Isotope is used as ______.
How is the radioactivity of a radio isotope affected if it undergoes a chemical change? Give a reason for your answer.