The element oxygen would be expected to form covalent bond(s) in order to obey the octet rule. use the octet rule to predict the formula of the compound that would form between oxygen and hydrogen , if the molecule contains only one oxygen atom and only single bonds are formed. formula:

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

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?