Credit: SCIENCE PHOTO LIBRARY MOTION

Caption: Potassium reacting with water. Close-up footage of a sample of the alkali metal potassium reacting with water. This sample reacts very vigorously, producing a bright flame. The three stable alkali metals are lithium, sodium and potassium. All three react vigorously with water, forming their respective hydroxides and hydrogen gas. Their reactivity increases with atomic number. The most reactive is potassium. The next most reactive is sodium. Lithium is the least reactive of the three.

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Potassium reacting with water

K005/3796 Rights Managed

Downloadable master

Duration: 00:00:07.06

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 35.7M

Original

Capture format: Canon EOS 5D Mark III

Codec: H.264

Please contact Science Photo Library if you require the original, or other formats.

 

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