contestada

The mass number for an isotope is 211. The number of neutrons is 1.51 times higher than number of protons. Show your work and solve for number of protons and identify the element.

Respuesta :

linahamdan1980

Answer:

84 protons

Explanation:

atomic mass = # of protons + # of neutrons ( number of P is unknown )

      211        =     P + 1.15 P

      211         =    2.15 P  ( solving a linear equation )

           so we find that the number of protons = 84

its the polonium isotope

Otras preguntas