Chapter 4
Negatively charged particles that orbit an atom's nucleus
What are electrons?
What are energy levels?
Electrons can travel at this incredible speed
The number of electrons the first orbital can hold
What are 2?
The number of times, then, an electron can orbit a nucleus in one second
What is 100 trillion times?
The number of electrons the second orbital can hold
What is 8?
The organization of electrons around the nucleus
What is the electron configuration?
The number of electrons the third orbital can hold
What is 18?
A model that approximates the orbits of electrons, designed by a Danish physicist and named after him
What is the Bohr model?
The number of electrons in the outermost (usually incomplete) orbital
What are valence electrons?