How many grams of lithium are present in 7.22 x 10²⁴ atoms of lithium? A)17.8
B)102
C)38.2
D)83.2

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.

Which element is the least metallic between cadmium, silver, zinc, or iron?

The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes