Science Trivia and Answers

Challenge yourself with a Science Trivia Quiz!

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What is the chemical symbol for table salt?

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Answer: NaCl
Sodium chloride (also known as salt or halite), is an ionic compound representing a 1:1 ratio of sodium and chloride ions.

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What is the median Erdős number of Fields Medalists?

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Answer: 3
Of course, as time passes, the smallest Erdős number that can still be achieved will necessarily increase, as mathematicians with low Erdős numbers die and become unavailable for collaboration.

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What planet in our solar system has the longest day?

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Answer: Venus
One day on Venus is equal to 116 days on Earth. That is equal to 2784 hours or 167040 minutes. The surface temperature of Venus is 462 °C which is equal to 863.6°F.

Easy

What is a positive integer that is equal to the sum of its proper positive divisors (excluding the number itself) called?

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Answer: A perfect number.
You might also think of a perfect number as a number that is half the sum of all of its positive divisors, including itself! This definition is at least 2300 years old as it appears in Euclid's "Elements".



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