The enthalpy of solution of kbr in water is about 198 kj/mol. nevertheless, he solubility of kbr in water is relatively high. why does the solution process occur even though it is endothermic?

In the following table, all the columns for the element calcium are filled out correctly. element electron structure of atom electron structure of ion net ionic charge calcium 1s22s22p63s23p64s2 1s32s22p63s23p64s1 +1 true false