Question

For each pair of gases, select the one that most likely has the highest rate of effusion. Use the periodic table if necessary.

Answer 1

Hydrogen

Methane

Ammonia

Fluorine

Step-by-step explanation:

Edge 2023

Answer 2

I don’t see any details, but the general trend is that molecules heavier than others effuse slower than their lighter counterparts. So, for example, dioxygen, O2, will effuse faster than ozone, O3.