Electronic structure (AQA GCSE Chemistry): Flashcards
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Practise the cards
15 cards from this deck
What electronic structure shows
What electronic structure shows
How electrons are arranged in atoms
Which energy levels electrons fill first
Which energy levels electrons fill first
Lowest available energy levels
Which energy level has the lowest energy?
Which energy level has the lowest energy?
Innermost shell
Which energy level has the highest energy (that contains electrons)?
Which energy level has the highest energy (that contains electrons)?
Outer shell
Max electrons in first energy level
Max electrons in first energy level
2
Max electrons in second energy level
Max electrons in second energy level
8
Max electrons in third energy level (first 20 elements)
Max electrons in third energy level (first 20 elements)
8
Pattern for max electrons in first 20 elements
Pattern for max electrons in first 20 elements
2,8,8,8
How to write electronic structure notation
How to write electronic structure notation
Numbers separated by commas, starting from innermost
What does atomic number tell you about electrons?
What does atomic number tell you about electrons?
Total number of electrons
Electronic structure of sodium (11 electrons)
Electronic structure of sodium (11 electrons)
2,8,1
What row number in periodic table shows
What row number in periodic table shows
Number of energy levels used
What group number in periodic table shows
What group number in periodic table shows
Number of electrons in outermost shell
How to position electrons on energy level diagrams
How to position electrons on energy level diagrams
Spread out evenly around each circle
Check rule for electronic structure
Check rule for electronic structure
Total electrons should equal atomic number