As proposed by Dalton, which of the following symbol represents phosphorus ?

Asked in UPSC NDA 2 2023 · Topic: Atomic Structure (Historical Development of Atomic Models (Dalton, Thomson, Rutherford))

1. Circle with P inside
2. Circle with L inside
3. Circle with vertical and horizontal lines crossing in the center
4. Circle with three lines radiating from the center to the circumference

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