Symbol: Gd
Atomic number: 64
Atomic weight: 157.25
Soft silvery metallic element belonging to the lanthanoids. Seven natural, stable isotopes are known in addition to eleven artificial isotopes.
Gd-155 and Gd-157 and the best neutron absorbers of all elements.
Gadolinium compounds are used in electronics. Discovered by J.C.G Marignac in 1880.
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Sexual Intercour...
Gabon
Gaia Hypothesis
