File:Gateway Chemistry.jpg
![File:Gateway Chemistry.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Gateway_Chemistry.jpg/775px-Gateway_Chemistry.jpg?20120113214245)
Size of this preview: 775 × 599 pixels. Other resolutions: 310 × 240 pixels | 621 × 480 pixels | 993 × 768 pixels | 1,280 × 990 pixels | 1,456 × 1,126 pixels.
Original file (1,456 × 1,126 pixels, file size: 302 KB, MIME type: image/jpeg)