Having valence configuration 7 s 2, 5 f 7 it was the fourth transuranium element created, even though it is only the third element after uranium. First created by Glenn T. Seaborg and others it is a strong alpha and gamma emitter, which is essential to its use in smoke detectors.  For ten points, which Actinide has 95 protons and is named after the continent of its discovery to parallel Europium a
Having valence configuration 7 s 2, 5 f 7 it was the fourth transuranium element created, even though it is only the third element after uranium. First created by Glenn T. Seaborg and others it is a strong alpha and gamma emitter, which is essential to its use in smoke detectors.  For ten points, which Actinide has 95 protons and is named after the continent of its discovery to parallel Europium above it in the Lanthanide series?
Having valence configuration 7 s 2, 5 f 7 it was the fourth transuranium element created, even though it is only the third element after uranium.
{Americium}