What is the density (g/L) of a gas with a molar mass of 35.0 g/mol with a pressure of 125 kPa and a temperature of 175°C?

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

we need the questions , i may then you.