Nuclear Energy

3. Two hydrogen atoms fues to make a helium atom
4. The positivly charged particle in the atom located in the nucleus
7. The time required for half of a sample to decay
9. The sum of neutron and protons added to together
10. The type of partical with a positive charge,that when released makes up a helium nucleus,and is the least dangerous
11. The number of protons in an atom (also helps you identify the atom)
13. When a large atom is hit by a neutron, then it break into two smaller atoms and release more neutrons(starts a chain reaction)

1. Once a reaction starts it will never really stop
2. When an atom has a different number of neutrons (and mass #) then on the PT
3. The positivly charged region at the center of the atom made of protons and neutrons
5. The neutral partical in the atom loacted in the nucleus
6. The type of partical that is most dangerous, contains no mass and only emitts energy
8. The ability for an atom to release mass and energy
12. The type of partical with a negative charge, and when released is an electron