A Researcher Asks Couples in Their 70s to Think Back

question 65

Multiple Choice

A researcher asks couples in their 70s to think back on their marriages and say which period had been the happiest in their married lives. Which period, on average, are these adults likely to say was the happiest?

• A) when they were newlyweds, before the first child was born
• B) when they had young children
• C) when all the children left home
• D) both a and c

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Definitions:

Molecular Dipole Values

Quantitative measures of the polarity of a molecule, determined by the distribution of electrical charges.

Polar Molecules

Molecules exhibiting a distribution of charge due to differences in electronegativity between bonded atoms, resulting in dipole moments.

Solvents

Substances that dissolve a solute, resulting in a solution, widely used in chemical reactions, process separations, and product formulations to dissolve, suspend or extract materials.

Triple Bond

A chemical bond in which three pairs of electrons are shared between two atoms, creating a strong connection that is found in certain organic and inorganic compounds.