Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Lithium Oxygen Zinc Fluorine Lithium Oxygen Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The following are the half lives of four active isotopes. Which one of the following is the most dangerous to handle? 100 years 13 days 0.01 minute 3 billion years 100 years 13 days 0.01 minute 3 billion years ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable unit for expressing nuclear radius is : Nanometre Fermi Angstrom Micron Nanometre Fermi Angstrom Micron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Nitrogen Helium Sulphur dioxide Carbon dioxide Nitrogen Helium Sulphur dioxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The graphite rods in the nuclear reactor convert fast moving neutrons into thermal neutrons react with U to release energy produce neutrons undergo combustion which triggers the nuclear fission convert fast moving neutrons into thermal neutrons react with U to release energy produce neutrons undergo combustion which triggers the nuclear fission ANSWER DOWNLOAD EXAMIANS APP
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