What is the chemical reaction for 2Na3PO4 + 3CaCl2 --> 6NaCl + Ca3(PO) 2?

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

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity