Same chapter2 marksDifficulty: Easy
State the modern periodic law.
Periodic Properties and Variations of Properties
1 markDifficulty: Easy
Across a period from left to right, the atomic size:
- aincreases
- bdecreases
- cstays the same
- dfirst increases then decreases
Original Khojo Papers practice question — not from a past board paper.
Answer
decreases
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The nuclear charge increases while electrons are added to the same shell, so the electrons are pulled in more tightly.
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