A chemical equation uses symbols to show reactants and products of

a chemical reaction. TRUE OR FALSE

What is the name of this hydrocarbon?

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.