A.He
because He 's molecular weight is small than each other
Explanation: energy levels are three(counting number of cyecles) outer electrons are 3 also
Answer:3,3
I am pretty sure the answer is 6.25 molecules
See picture for explanation
Answer:
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
