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Know Your Chemistry

Across
Lowest energy level of an atom.
Atoms of "main-group elements" normally combine so each atoms has 8 electrons.
2+ identical fermions can't occupy the same quantum state within a quantum system simultaneously.
Measure of the tendency of an atom.
Bond between atoms in a metallic element, formed by the valence electrons moving throughout the metal.
Relating to a chemical bond formed by sharing electrons between atoms.
Down
Electron configuration of noble gases.
Every orbital in a subshell is occupied once with one electron before any one orbital is occupied twice.
Electrons orbiting one or more atoms normally fill the lowest available energy level before filling a higher level.
Using ions.
Group of atoms bonded together.
Any quantum state of the system that has a higher energy than the ground state.
The law that properties of elements are periodic functions of their atomic numbers.