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Particles located in the nucleus with a mass of 1 amu and a neutral charge.
Particles located outside of the nucleus with a tiny mass and a negative charge.
Structure that contains most of the atom's mass and has a positive charge.
Particles located in the nucleus with a mass of 1 amu and a positive charge; determine an element's identity.
Particles in the outermost energy level that determine chemical reactivity.
1. Particles located in the nucleus with a mass of 1 amu and a neutral charge.
- Neutron
2. Particles located outside of the nucleus with a tiny mass and a negative charge.
- Electrons
3. Structure that contains most of the atom's mass and has a positive charge.
- Nucleus
4. Particles located in the nucleus with a mass of 1 amu and a positive charge; determines an element's identity.
- Proton
5. Particles in the outermost energy level that determine chemical reactivity.
- Valence Electrons