ChatGPT said:
Picogram [pg]
The picogram is a metric unit of mass equal to one-trillionth of a gram.
1 picogram = 0.000000000001 grams = 10⁻¹² grams
1 picogram = 10⁻¹⁵ kilograms
Symbol: pg
Key Facts:
Used in advanced scientific fields such as molecular biology, chemistry, and nanotechnology
The prefix "pico-" means 10−12 (one trillionth)
Ideal for measuring extremely tiny masses, like particles, molecules, and trace substances
The picogram enables ultra-precise measurement of microscopic quantities in research and technology.