An element with an atomic number of 51 and an atomic mass of 121 has how many neutrons in each atom? 172
70
ООО
51
121

70 because it is subtracted 121 by 51 to give u 70 use m

hey there!

boiling point is the temperature at which the vapor pressure of the liquid equals atmospheric pressure. the vapor pressure of solvent molecules is decreased when a solute is added, so a higher temperature is required to increase the number of solvent molecules in the gas phase above the liquid.

at the freezing point, the vapor pressures of the solid and liquid are equal; a lower temperature is needed to reduce the number of solvent particles above the liquid.

hope this you

tobey

0

explanation:

488479

rvmoo+478)9.68