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Chapter 11: Terms

Teacher: jossy
Across
An atom with excess energy
Used to power the space shuttle
Microwaves used to cook food
Arrangement of electrons in an atom
Elements in which the 4f orbital are filled
Constructed a quantum model for the hydrogen atom which was later shown to be incorrect
Has five electrons
Packets of energy
Down
Distance between two consecutive wave peaks
The wave mechanical model assumes the electron has particle and wave properties
Only certain energy level values are allowed
Contains protons and neutrons
Divide up space around a nucleus
Highest energy level
Can lose energy by giving off a photon