Isotopes of gadolinium

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What Wikipedia says

Naturally occurring gadolinium (64Gd) is composed of six stable isotopes, 154Gd, 155Gd, 156Gd, 157Gd, 158Gd and 160Gd, and one long-lived radioisotope, 152Gd, with 158Gd being the most abundant (24.84% natural abundance). The predicted double beta decay of 160Gd has not been observed.

Excerpt from the Wikipedia article “Isotopes of gadolinium”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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