3.00mL of CH4 is known to contain 0.650 moles at a ertain temp and pressure. If the volume of a chamber of CH4 increased from 7.00 L to 8.20 L, how many moles of CH4 were added?

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