The isotope of uranium capable of sustaining chain reaction is
U-235
U-245
U-239
U-238
Additional Questions
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The age of most ancient geological formations is estimated by |
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Who suggested that most of the mass of the atom is located in the nucleus? |
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The dark lines in the solar spectrum are due to |
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In an atomic nucleus, neutrons and protons are held together by |
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No two electrons in an atom can have the same set of four quantum numbers is |
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According to Avogadros Hypothesis, the smallest particle of an element or a compound, that can exist independently, is called ____ . |
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Atoms of an element differ from those of all other elements in |
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Nuclear fission is caused by the impact of |
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Which of the following rays are more penetrating? |
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How many colours the sunlight spectrum has? |
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