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chapter 4 vocab
vocab
| Term | Definition |
|---|---|
| nucleus | a dense, positively charged mass located in the center of the atom |
| proton | a positively charged subatomic, particles that are found in the nucleus of an atom |
| electron | a negatively charged subatomic particles that are found in the space outside of the nucleus |
| nuetron | a neutral subatomic particles that are found in the nucleus of an atom |
| atomic number | an element equal the number of protons in an atom of that element |
| mass number | an atom is the sum of the protons and neutrons in the nucleus of that atom |
| isotopes | atoms of the same element that have different numbers of neutrons and different mass numbers |
| energy level | the possible energies that electrons in an atom can have |
| electron cloud | a visual model of the most likely locations for electrons in an atom |
| orbital | a region of space around the nucleus where an electron is likely to be found |
| electron configuration | the arrangement of electrons on the orbital of an atom |
| ground state | when all the electrons in an atom have the lowest possible energies, the atom is said to be |
Created by:
bethany.hrabusa
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