The mass ratio of sodium to fluorine in sodium fluoride is 1.21: 1. a sample of sodium fluoride produced 22.4 of sodium upon decomposition. how much fluorine (in grams) was formed?

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

What is the correct equation for cellular respiration?

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons