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Topic 9 - Chemical Periodicity
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Total cards: 7•Content version: v3•Public deck•Updated: 8/1/2026
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#1
Front (Question)
How are elements in the periodic table ordered?
Back (Answer)
By increasing proton number.
#2
Front (Question)
Back (Answer)
#3
Front (Question)
Does the atomic radius increase or decrease across period 3?
Back (Answer)
Decrease
#4
Front (Question)
Does atomic radius increase or decrease down groups?
Back (Answer)
Increase
#5
Front (Question)
Which element has the highest melting point in period 3?
Back (Answer)
Silicon
#6
Front (Question)
Why does Si have the highest melting point in period 3?
Back (Answer)
It has a giant covalent (macromolecular) structure.
#7
Front (Question)
Back (Answer)