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An American nuclear family composed of the mother, father, and their children, c. 1955. A nuclear family (also known as an elementary family, atomic family, or conjugal family) is a family group consisting of parents and their children (one or more), typically living in one home residence. It is in contrast to a single-parent family, a larger ...
The liquid drop model is one of the first models of nuclear structure, proposed by Carl Friedrich von Weizsäcker in 1935. [5] It describes the nucleus as a semiclassical fluid made up of neutrons and protons, with an internal repulsive electrostatic force proportional to the number of protons. The quantum mechanical nature of these particles ...
The nuclear family consists of a mother, father, and the children. The two-parent nuclear family has become less prevalent, and pre-American and European family forms have become more common. [2] Beginning in the 1970s in the United States, the structure of the "traditional" nuclear American family began to change.
The African-American simple nuclear family structure has been defined as a married couple with children. [28] This is the traditional norm for the composition of African-American families. [ 32 ] In 1992 25% of African-American families were simple nuclear families in comparison to 36% of all US families.
The history of the family is a branch of social history that concerns the sociocultural evolution of kinship groups from prehistoric to modern times. [1] The family has a universal and basic role in all societies. [2] Research on the history of the family crosses disciplines and cultures, aiming to understand the structure and function of the ...
Only in the 1950s did the myth of the happy, nuclear family as the correct family structure arise. [10] Family structure is changing drastically and there is a vast variety of different family structures: "The modern family is increasingly complex and has changed profoundly, with greater acceptance for unmarried cohabitation, divorce, single ...
Maria Goeppert Mayer. Maria Goeppert Mayer (German pronunciation: [maˈʁiːa ˈɡœpɛʁt ˈmaɪ̯ɐ] ⓘ, née Göppert; June 28, 1906 – February 20, 1972) was a German-American theoretical physicist, and Nobel laureate in Physics for proposing the nuclear shell model of the atomic nucleus. She was the second woman to win a Nobel Prize in ...
Other family structures – with (for example) blended parents, ... The nuclear family became the most common form in the U.S. in the 1960s and 1970s. [49]