Examlex
In many-electron atoms, which quantum numbers specify the energy of an electron?
Industrial Revolution
A period of major industrialization from the late 18th to early 19th century that transformed predominantly agrarian, manual labor-based societies into industrialized, machine-driven ones.
Thomas Robert Malthus
An English economist and demographer, known for his theory that population growth will outpace agricultural production, leading to widespread poverty.
Birth Rate
The number of live births per 1,000 people in a population over a given period, commonly calculated on an annual basis.
Industrial Countries
Nations characterized by a significant level of manufacturing activity, advanced technological infrastructure, and a high standard of living.
Q3: Select the element whose Lewis symbol is
Q29: The electronic structure 1s<sup>2</sup>2s<sup>2</sup>2p<sup>6</sup>3s<sup>2</sup>3p<sup>6</sup>4s<sup>2</sup>3d<sup>8</sup> refers to the
Q30: A program that accepts a list of
Q31: What, if any, are the spectator ions
Q37: No real bonds are 100% ionic in
Q39: Which of the following phrases does not
Q41: Which of the following is a correct
Q63: When the last child is launched from
Q74: Dr. Gerin Tology wants to survey several
Q84: The rate of diffusion of a gas