What is an exotic atom?
Q: What is an exotic atom?
A: An exotic atom is an atom that has a particle replaced by a particle of the same charge.
Q: What is an example of an exotic atom?
A: Positronium is an example of an exotic atom.
Q: What does Positronium contain?
A: Positronium contains an electron and a positron.
Q: What is the positron in Positronium?
A: The positron is the antiparticle of the electron.
Q: Why are most exotic atoms hard to discover?
A: Most exotic atoms are hard to discover because they decay very quickly.
Q: What is the average half-life of Positronium?
A: The average half-life of Positronium is 0.125 nanoseconds.
Q: How many types of exotic atoms are there?
A: There are a few types of exotic atom.
