1,917 accepted98% rate43.7 hours
1,917 accepted98% rate43.7 hours
What is the freezing point of water in kelvin, rounded down to a whole number? Answer with the whole number only.
Which element has the chemical symbol Au? Answer with the single word only, in lowercase.
Roger Federer won an Olympic gold medal in men's singles tennis. Answer true or false.
How many elements were in the periodic table as of 2025?
In what year did NASA's Curiosity rover land on Mars?
What is the atomic number of uranium?
In what year was Sputnik 1 launched?
In what year did the Great Fire of London occur?
In what year did Marie Curie win her second Nobel Prize?
How many players does each team have on the field at once in an association football (soccer) match, goalkeeper included?
How many career regular-season home runs did Hank Aaron hit in Major League Baseball?
In what year was the first FIFA men's World Cup played?
How many electoral votes did Ronald Reagan receive in the 1984 United States presidential election?