Write the empirical formula for at least four ionic compounds that could be formed from the following ions:
a). po_4^3-,
b). nh_4^+,
c). fe^3+,
d). clo_3^-

Word equation for k+ h2o yield koh + h2

How do dying stars contribute to the formation of planets

To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?