Phosphorus-32 is a commonly used radioactive nuclide in biochemical research, particularly in the study of nucleic acids. The half-life of P-32 is 14.3 days. What
mass of P-32 is left from an original sample of 175 mg after 43.5 days?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration

The density of the solid phase of a substance is 0.90 g/cm3 and the density of the liquid phase is 1.0 g/cm3. a large increase in pressure will a. lower the freezing point b. raise the freezing point c. lower the boiling point d. raise the triple point e. lower the triple point