Which element below has the highest electronegativity? beryllium, carbon, fluorine, nitrogen

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

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged