The data table below represents the properties determined by the analysis of substances A, B, C, and D. Which substance is an ionic compound?
1. А
2. B
3. C
4. D

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

Non renewable resources like petroleum eventually

How many moles of potassium are needed to react completely with 12.8 moles of magnessium bromide?