1. what are the four kinds of radioactive decay?

Label a-f based on the table using c for concentrated and d for dilute

What are the first three quantum numbers for the electrons located in subshell 2s?

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.