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Comp Science
Atomic Structure Key Terms
terms | definition |
---|---|
Nucleus | The center of an atom, made up of protons and neutrons |
Proton | A positively charged subatomic particle in the nucleus of an atom |
Neutron | A neutral subatomic particle in the nucleus of an atom. |
Electron | A tiny negatively charged subatomic particle moving around outside the nucleus of an atom. |
Energy Level | Any of the possible energies an electron may have in an atom. |
Orbital | A region in an atom where there is a high probability of finding electrons. |
Valence Electron | An electron in the outermost energy level of an atom. |
Cation | An ion with a positive charge. |
Anion | An ion with a negative charge. |
Group ( family) | A vertical column of elements in the periodic table. |