Identify the following as a chemical (C) or physical property (P): 1. blue color
2. melting point
3. density
4. reacts with water
5. flammability (burns)
6. solubility (dissolves)
7. boiling point
8. luster

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Flourine is found to undergo 10% radioactivity decay in 366 minutes determine its halflife

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead