Same chapter1 markDifficulty: Easy
Across a period from left to right, the atomic size:
Periodic Properties and Variations of Properties
1 markDifficulty: Easy
On moving from left to right across a period in the modern periodic table, the atomic size generally:
- aincreases
- bdecreases
- cremains 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 across a period while electrons are added to the same shell, so the electrons are pulled in more strongly and the atomic size decreases.
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