Which one of the following is a chemical property of a substance?
a. Density of hexane= 0.67g/ml
b. Cadmium metal dissolves in nitric acid, producing a
blue tinted solution.
C. Melting point of water = 0 degree centigrade
d. Solubility of sodium chloride in water = 35 g/100ml

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b.slope c.benchmark d. index contour

Suppose the universe were completely empty except for one object-a solid sphere moving through space of 100 km/s. what sort of path would the object be moving in? explain your answer

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.