How do u calculate the mass (not molar mass) of NaCl

What is the formula for calcium iodide

Which is true of transition metals when moving from left to right on the periodic table? the d sublevels are not filled across the period. the cation radii become larger across the period. atomic radii increase slightly and then start to decrease. atomic radii decrease slightly and then start to increase. o

What material does not melt at any temperature