The law of conservation of mass says that matter is neither Which is the BEST choice to complete the sentence? 14 A. physical or chemical B. created or destroyed C. changed or destroyed D. chemical or created

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Explain what happened when the storm surges from hurricanes reached the gulf coast