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C1.8 - Electronic Structures
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Total cards: 4•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (4)
#1
Front (Question)
Electronic shells
Back (Answer)
• each shell represents a fixed energy level - lowest energy level is the shell closest to the nucleus
#2
Front (Question)
Shell configuration
Back (Answer)
1st shell = holds 2 electrons max 2nd shell = holds 8 electrons max 3rd shell = holds 8 electrons max
#3
Front (Question)
Formula to work out number of lecterns of an atom
Back (Answer)
Atomic number = number of electrons
#4
Front (Question)
Writing electron structure
Back (Answer)
-start with the lowest energy level ( 2) -go up in order -separate with commas E.g sodium = 2,8,1