Question : __________is the heaviest naturally occurring element of the Periodic Table with an atomic weight of 238.
Option 1: Xenon
Option 2: Uranium
Option 3: Helium
Option 4: Mercury
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Correct Answer: Uranium
Solution : The correct option is Uranium.
Uranium is a radioactive element with an atomic number of 92 and an atomic weight of 238. U-238 is the most common isotope of uranium found in nature. It is non-fissile, which means it cannot sustain a chain reaction in a thermal-neutron reactor.
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Question : What chemical element does ‘H’ stand for in the science periodic table?
Option 1: Helium
Option 2: Hydrogen
Option 3: Holmium
Question : What chemical element does "H" stand for in the periodic table of science?
Option 2: Mercury
Option 4: Hydrogen
Question : Which among the following is a noble chemical element of science's periodic table?
Option 1: Nitrogen
Option 2: Helium
Option 3: Scandium
Option 4: Cobalt
Question : What is the atomic number of Carbon as per Mendeleev's Periodic Table?
Option 1: 3
Option 2: 6
Option 3: 1
Option 4: 10
Question : What is the atomic number of nitrogen in the science periodic table?
Option 1: 21
Option 2: 7
Option 3: 18
Option 4: 11
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