The nuclide ${}_{}^{}{}_{15}^{32}\mathrm{P}$ decays by ${\beta }^{-}$ emission. The daughter nuclide is

More questions on Nuclear chemistry: radioactive decay kinetics and half-life

• A radioactive nuclide has a half-life of 20 min. What fraction of a sample remains undecayed after 60 min? NEET level
• Uranium-238 (Z=92) decays by emission of one alpha particle. The daughter nuclide is NEET level
• Which statement about the radioactive decay of a nuclide is correct? NEET level
• One curie is defined as 3.7x10^10 disintegrations per second. The activity of a 2.0 mCi source, in disintegrations per second, is NEET level
• A sample initially of 16 g of a radioisotope is found to have only 2.0 g of it left after 24 days. The half-life of the isotope, in days, is JEE Main level
• The half-life of a radon isotope is 3.8 days. Using ln 2=0.693 and 1 day=86400 s, its decay constant in s^-1 is closest to JEE Main level