When Was Modern Polling Developed

question 32

Multiple Choice

When was modern polling developed?

• A) In the 1890s by Literary Digest
• B) In the 1930s by George Gallup
• C) In the 1940s at Harvard University
• D) In the 1960s at the Census Bureau
• E) In the 1970s by Zogby and Nielsen

---

Definitions:

Compound

refers to a substance formed by the chemical combination of two or more elements in definite proportions and with specific chemical properties.

σ* Molecular Orbital

An antibonding molecular orbital formed by the out-of-phase combination of atomic orbitals.

Nodes

Points along a standing wave where the wave amplitude is zero, or points in an atom where the probability of finding an electron is zero.

π Molecular Orbitals

Orbitals formed by the overlap of p orbitals on adjacent atoms, significant in determining the bonding and properties of molecules.