Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Chapter 3
| Term | Definition |
|---|---|
| nucleus | the dense, positively charged mass located in the center of an atom |
| proton | a positively charged subatomic particle that is found in the nucleus of an atom |
| electron | a negatively charged subatomic particle that is found in the space outside the nucleus of an atom |
| neutron | neutral subatomic particle found in the nucleus of an atom |
| atomic number | element equals the number of protons in an atom of that element |
| mass number | sum of protons and neutrons in the nucleus of that atom |
| isotopes | atoms of the same element that have different numbers if neutrons and different mass numbers |
| energy levels | possible energies electrons have in an atom |
| electron cloud | visual model of the most likely locations for electrons in an atom |
| orbital | region of space around the nucleus where an electron is likely to be found |
| electron configuration | arrangement of electrons in the orbitals of an atom |
| ground state | when all the electrons in an atom have the lowest possible energies |
Created by:
bailey.vanatta
Popular Physical Science sets