11. The ratio of the rates of diffusion of a given element to that of helium is 4. What will be the molecular weight of the element? a. 0.25 b. 4 d. 7 C. 2

no but i do not usually comment or use my voice that much when it comes to social media

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .