Suppose a substance has a half-life of 0.52 s. Create accurate pie charts showing the number of remaining parent nuclei and decayed daughter nuclei (shade slightly) starting with 40 total nuclei.

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as