Chemistry Quiz

Chemistry quiz for all

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Last updated: February 16, 2023

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First submitted	February 16, 2023
Times taken	12
Average score	70.0%
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Hint	Answer
Who discovered Radium?	Marie Curie
What element does symbol Na represent?	Sodium
What determines the strength of an acid?	pKa
There are _______ amino acids	20
Covalent bond is formed by ______ of electrons	Sharing
What is the name of alcohol commonly used in drinks?	Ethanol
Out of the sub atomic particles which one is the smallest?	Electron
What is the hardest substance on Earth	Diamond
Which metal is also known as quicksilver?	Mercury
How many electrons does a Calcium ion have?	18

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