1. The melting point of the metal potassium is 63.5°C, while that of titanium is 1660°C. What…

1. The melting point of the metal potassium is 63.5°C, while that of titanium is 1660°C. What explanation can be given for this great difference in melting temperatures? 2. Cartridge brass is an alloy of two metals: 70 wt% copper and 30 wt% zinc. Discuss the nature of the bonds between copper and zinc in this alloy.