Today, natural sciences<span> are more </span>commonly divided<span> into life </span>sciences<span>, such as botany and zoology; and physical </span>sciences<span>, which include physics, chemistry, geology, astronomy and materials </span>science<span>.</span>
31
A dalton is the same as an atomic mass unit. And an atomic mass unit is approximately the mass of a nucleon (proton or neutron) such that the mass is 1 g/mol. So in this problem you have 15 protons and 16 neutrons, so the number of daltons is 15 + 16 = 31.
Elemento químico, símbolo Ag, número atómico 47 y masa atómica 107.870. Es un metal lustroso de color blanco-grisáceo. La plata, que posee las más altas conductividades térmica y eléctrica de todos los metales, se utiliza en puntos de contacto eléctricos y electrónicos.
