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प्रश्न
What are isotopes?
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उत्तर १
Isotopes are atoms of the same element that have the same atomic number but have different mass numbers.
उत्तर २
Isotopes are atoms with the same number of protons and electrons but differ in the number of neutrons.
संबंधित प्रश्न
Answer the following question.
Name the isotopes of hydrogen. Write their atomic composition schematically and explain which of these is radioactive?
Explain why hydrogen is not placed with the halogen in the periodic table.
How do you convert para-hydrogen into ortho hydrogen?
An isotope of hydrogen (A) reacts with diatomic molecule of element which occupies group number 16 and period number 2 to give compound (B) is used as a moderator in nuclear reaction. (A) adds on to a compound (C), which has the molecular formula C3H6 to give (D). Identify A, B, C and D.
Which of the following statements is INCORRECT?
Dihydrogen with high purity (> 99.96%) is obtained by ____________.
Which of the following halogens combine with dihydrogen at lowest temperature?
Caesium is used in ________.
Water gas is a mixture of ______.
Atomic hydrogen is obtained by passing ordinary hydrogen through ______.
