Question

Define equivalent electrons.

Answer 1

♦Equivalent electrons

Electrons in an atom which have the same principal and orbital quantum numbers, but not necessarily the same magnetic orbital and magnetic spin quantum numbers.

Answer 2

♦ The base of this layer is warmer than its top because the air is heated by the surface of the Earth, which absorbs the Sun's energy.

♦Above the troposphere lies the stratosphere where jet airplanes fly.

♦Temperatures increase with altitude because of increasing amounts of ozone.