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Statistics for Chemistry Quiz

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General Stats

This quiz has been taken 13 times
The average score is 7 of 10

Answer Stats

Hint	Answer	% Correct
What element does symbol Na represent?	Sodium	100%
What is the hardest substance on Earth	Diamond	92%
There are _______ amino acids	20	85%
Out of the sub atomic particles which one is the smallest?	Electron	85%
How many electrons does a Calcium ion have?	18	69%
Who discovered Radium?	Marie Curie	69%
Which metal is also known as quicksilver?	Mercury	69%
Covalent bond is formed by ______ of electrons	Sharing	62%
What is the name of alcohol commonly used in drinks?	Ethanol	54%
What determines the strength of an acid?	pKa	23%

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