[Solved] All the actinide series of transition elements are radioactive. Sexual Functioning: A term describing the various physiological, psychological, and emotional aspects of sexual health and activity. Asian American: A person of Asian descent living in America, covering a diverse group from East, Southeast, and South Asia. Voyeuristic Disorder: A condition characterized by significant personal distress or impairment in social, occupational, or other important areas of functioning arising from a persistent or predominant focus on observing unsuspecting individuals who are naked, in the process of disrobing, or engaging in sexual activity. Sexual Intercourse: A physical activity involving the genital organs of at least two people for sexual stimulation or reproduction.