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What Happens When You Mix Lithium And 7-Up?

Wouldn’t you love a nice tall glass of Bib-Label Lithiated Lemon-Lime Soda? Doesn’t that sound refreshing?

The funny thing is, if you’ve had a 7-Up, you already have—that tongue-twister of a name was their original, thought up all the way back in 1929.

These days, 7-Up doesn’t contain lithium, the lightest solid metal on the periodic table also known as a mood stabilizer and killer Nirvana song. But some scientists in England thought it would be a gas (elemental pun intended) to add it to our modern lithium-free version to see what happens.

When Periodic Videos, a YouTube channel broadcasting from Nottingham University in England, combined modern 7-Up with the element lithium, something they couldn’t quite explain at first happened.

The lithium led the 7-Up through a variety of changes—the first of which was turning it bright neon green. Follow their theory for why one of the most reactive substances on Earth reacts with soda in this way below.

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