1. Energy:

- Kinetic energy: This is the energy of motion, released as particles are ejected from the nucleus.

- Electromagnetic radiation (gamma rays): This is a high-energy form of light released as the nucleus transitions to a lower energy state.

2. Particles:

- Alpha particles: These are composed of two protons and two neutrons (essentially a helium nucleus).

- Beta particles: These are high-energy electrons or positrons (antimatter electrons) emitted from the nucleus.

- Neutrons: These are neutral particles emitted from the nucleus, often in neutron-rich isotopes.

- Protons: While less common, protons can also be emitted from the nucleus in some reactions.

3. Other particles:

- Depending on the specific nuclear reaction, other particles like neutrinos, antineutrinos, and other exotic particles can also be released.

The amount and type of energy and particles released depend on the specific nuclear reaction. For example, fission reactions release a large amount of energy and neutrons, while fusion reactions release even more energy but fewer neutrons.

It's important to remember that nuclear reactions involve changes in the nucleus of an atom, which releases massive amounts of energy compared to chemical reactions. This energy is often harnessed for power generation (nuclear power plants) and weapons (nuclear bombs).