What is the structure and bonding in zinc?​

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

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

During which time interval does the object travel approximately 10 meters