How many grams of Fe2O3 will be produced from 10.0g of Fe and 7.00g of O2?
(round to three significant figures)

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

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules