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What is the maximum number of electrons that can occupy the 2nd principal energy level?
Singles
Individuals who are not married, in a civil partnership, or in a cohabiting relationship, often highlighting their state of being unmarried.
One-Parent Families
Households led by a single parent raising one or more children, due to various circumstances such as divorce, death, or single adoption.
Mother-Child Families
Family units consisting of a mother and her child or children, often referred to in the context of single-parent households.
Grandmother-Child Families
Family structures where grandchildren are raised by their grandmothers in the absence or limited involvement of the children's parents.
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