Asubstance which is made up of identical atoms is a(n):
chemical
element
compound
alloy

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?