Difficult quiz question ?

Agamemnon

New member
You have two dice, A and B. Dice A has the chemical symbols of : C, Na, Ar, He, Cl, Mg on its faces.
Dice B has : Ne, Ca, H, Si, Ba, S.
P = the probability that a throw of dice shows elements which cannot have a covalent bond.
Z = the atomic number of a chemical element on one of the dice, used to create high-quality welds.
Calculate P*Z.
 
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