The atomic mass of gold (au) is 198, and the atomic number of gold is 79. how many neutrons does a neutral atom of gold contain?

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.

Type the letter that represents the correct location for each particle type below.

Based on its chemical properties, identify the position of each chemical family on the periodic table.