After doing some analysis, the probe determines that the gas pocket contains an element that has an ionization energy of I = 1350 kJ/mol and an electron affinity of
EA = 32.0 kJ/mol.
What is the identity of this element?

Supongamos que estás estudiando dos estrellas. ambas estrellas tienen la misma magnitud aparente, pero la estrella a tiene una magnitud absoluta mayor que la estrella b. ¿que puedes decir acerca de la distancia a la tierra de estas dos estrellas?

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

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '