Image: Chromium dioxide
Chromium_dioxide.jpg (400 × 400 pixels, file size: 58 KB, MIME type: image/jpeg)
Description: Cassette tape, coated with chromium dioxide (CrO2). Cr4+ is dark brown to black.
Title: Chromium dioxide
Credit: http://images-of-elements.com/chromium.php
Author: Hi-Res Images of Chemical Elements
Usage Terms: Creative Commons Attribution 3.0
License: CC BY 3.0
License Link: https://creativecommons.org/licenses/by/3.0
Attribution Required?: Yes
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