How many neutrons are present in an atom of tin that has an atomic number of 50 and a mass number of 119?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

When the water vapor cools it condenses select a number that represents his process on the