Lead-210 has a half-life of 22 years. How much of this isotope will be left after 110 years from a starting sample of 8.0 kg?

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

Identify and describe the three ways that mutations affect organisms.