Chemistry Lect 1
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- A: Mass Number (prots + neucs)
- Z: Atomic Number (prots)
- X: Element Symbol
1 mol in relation to 12C
1 mol = the # of 'C' atoms in 12g of 12C
Forming a bond ___ energy.
- e-s will not fill any orbital in the same subshell until all the orbitals contain at least one e-
- all the unpaired e-s will have parallel spins
the more we know about the momentum of a particle the less we know about its position
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