What element is represented by the symbol 'K'?
Answer
Potassium
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Who established that atomic number, not atomic weight, determines the order of the periodic table?
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Henry Moseley
Which gas is produced when hydrochloric acid reacts with zinc metal?
Answer
Hydrogen
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Latest trivia questions
Which acid is found in vinegar?
Answer
Acetic acid
What is the most common isotope of uranium found in nature?
Answer
Uranium-238
Which scientist discovered the law of conservation of mass?
Answer
Antoine Lavoisier
What is the pH of human blood?
Answer
7.4
Which noble gas is used in neon signs?
Answer
Neon
What is the name of the reaction where an acid and base neutralize each other?
Answer
Neutralization
What is the main component of natural gas?
Answer
Methane
What is the principle that electrons fill orbitals starting from lowest energy?
Answer
Aufbau principle