IMD #158online
694 accepted99% of judged
How many chemical elements had been officially named by IUPAC as of mid-2025? Answer with the whole number only.
Antarctica is the driest continent. Answer true or false.
How many quark flavours are there in the Standard Model? Answer with the whole number only.
How many quark flavours are there in the Standard Model? Answer with the whole number only.
Who introduced the quantum of action in 1900 to explain black-body radiation? Answer with the surname only.
Which gas makes up about 21 percent of Earth's atmosphere by volume? Answer with the element name only, in English.
How many codons in the standard genetic code are stop codons? Answer with the whole number only.
How many codons in the standard genetic code are stop codons? Answer with the whole number only.
How many codons in the standard genetic code are stop codons? Answer with the whole number only.
How many codons in the standard genetic code are stop codons? Answer with the whole number only.
Who formulated the three laws of planetary motion published between 1609 and 1619? Answer with the surname only.
Who formulated the three laws of planetary motion published between 1609 and 1619? Answer with the surname only.
Earth's inner core is solid. Answer true or false.
In what year did Einstein present the field equations of general relativity? Answer with the four-digit year only.
Who formulated the four equations of classical electromagnetism published in the 1860s? Answer with the surname only.
Who formulated the four equations of classical electromagnetism published in the 1860s? Answer with the surname only.
Whales are mammals. Answer true or false.
