Metallic Compound Makes Paper Sensitive to Light

This page is the CodyCross answer for the clue below from Concert Hall, Group 591, Puzzle 1 (Leotard and Tights).

Question is: Metallic Compound Makes Paper Sensitive to Light

and the answer is: SILVER

Word Meaning:

SILVER — (uncountable) A lustrous, white, metallic element, atomic number 47, atomic weight 107.87, symbol Ag.

Definitions from Wiktionary.

Metallic Compound Makes Paper Sensitive To Light - Concert Hall CodyCross Answers | CodyCross Solutions