Acertain wave has a wavelength of 35 meters and a frequency of 4.0 hz. what is the speed of the wave? a) 8.8 m/s b) 31 m/s c) 39 m/s d) 140 m/s

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

In an exothermic reaction the bonding energy of the product is: less than the reactants same as the reactants greater than the reactants dependent upon the presence of a catalyst

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17