Compare and contrast these isotopes: uranium -239, uranium -238, and uranium -235

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.

The p sub shell can hold up to 8 electrons in an atom. true or false?

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?