Silicon dioxide is a substance (chemical compound) consisting of one silicon atom and two oxygen atoms.
Silicon dioxide is a pure substance
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
is silicon a mixture? Silicon is a pure substance because it is an element.
No, a quark is and immeasurable thing that makes up everything (approximately) in our world. It is a sub-atomic particle, not a mixture which is totally different.
It can be considered a mixture since sandstione contains several different minerals, although it is mostly the minerals quartz (silicon dioxide) and feldspar (related silicates).
Soduim is a pure substance. But it is a mixture because it was pshsically combined. Soduim is a pure substance. But it is a mixture because it was pshsically combined.
Quartz is a compound. There are many different types of quartz, each containing different materials.
Silicon is an element. Its symbol is Si.
No. Sulfur dioxide is a compound, which makes it a pure substance, not a mixture.
No, carbon dioxide is not a mixture. It is a pure substance.
Carbon Dioxide is not a mixture. It is a chemical compound composed of two oxygen atoms and one carbon atom.
is silicon a mixture? Silicon is a pure substance because it is an element.
No, a quark is and immeasurable thing that makes up everything (approximately) in our world. It is a sub-atomic particle, not a mixture which is totally different.
Neither. Carbon dioxide is a pure substance, not a mixture.
Neither. Carbon dioxide is a pure substance, not a mixture.
It can be considered a mixture since sandstione contains several different minerals, although it is mostly the minerals quartz (silicon dioxide) and feldspar (related silicates).
silicon is a pure substance because it is an element and as we know an element is a pure substance
CO2 is a pure substance made of two elements, Carbon and Oxygen.