Clue2: “My sixth is Hidden at limits of ETERNITE”.
Clue4: “My sixth is worth a hundred.”
The Clue2 response is E, which means Einsteinium (99) or energy: E = mcc.
The answer of Clue4 is C, which is the sixth element and the Roman numeral is 100. On the other hand, the hundredth element is Fermium. In addition, the Greek letter ‘rho’ has a numeric value of 100.