Becuase they need special equipment and things like that that may not be available in the state i think
Answer:
SiO2
Explanation:
'Si' is the label given to silicon on the periodic table.
Answer:
Particles in a solid object are super tight and close to eachother. They do not move past eachother because it is a solid, not a liquid or gas.
Explanation:
Answer: The suffixes of the names of polyatomic ions have a pattern associated with them. ... For example, the sulfite ion has three oxygen atoms whereas the sulfate ion has four oxygen atoms.
