Determine the formula unit for the compound formed when each pairs of ions interact. Li+ and 02-
Mg2+ and S2-
A13+ and CI":
Na+ and N3-

Silica, sio2, is formed on silicon as an electrically insulating layer for microelectronic devices. silica is formed when silicon is exposed to o2 gas at an elevated temperature. at 900˚c, it takes 90 minutes for the oxygen to diffuse from the surface to form a 0.06 micron (0.06 x 10-6 m) thick layer of sio2 on

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.