An diofar eadar na mùthaidhean a rinneadh air "Mearcar (planaid)"

* 42% [[ogsaidean]] moileciuileach

* 29.0% sòidium[[sodium]]

* 22.0% hàidhdreaidean[[haidridean]]

* 6.0% hilium[[helium]]

* 0.5% potaiseam[[potasium]]

* Lorgan dhe dh'[[argon]], naidhtreoidsean[[naitridean]], [[carbon dà-ogsaid carboin]], deathach uisge, xenon[[senon]], [[criopton]] is nìtheon[[neon]]